2016/426 - REGULATION (EU) 2016/426 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC

This European Standard specifies methods for the classification and assessment of function blocks designed to operate burners and appliances burning gaseous or liquid fuels with particular regards to their fault behaviour and preventative measures.
This European Standard is applicable to new control function blocks, not covered by dedicated control standards.

This European Standard specifies the common requirements and test methods, as well as the classification, marking and energy labelling of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This European Standard is to be used in conjunction with the specific Parts 2 (Part 2-1 and following ones).
This European Standard applies to boilers of types B and C.
NOTE For further background information on appliance types see CEN/TR 1749:2014 [1].
a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437;
b) where the temperature of the water is below or above 105 °C during normal operation;
c) where the maximum operating pressure in the water circuit does not exceed 6 bar;
d) which can give rise to condensation under certain circumstances;
e) which are declared in the instructions for installation to be either a "condensing" boiler or a "low temperature boiler" or a "standard boiler" or an "other boiler". If no declaration is given the boiler is to be considered both a "standard boiler" and an "other boiler";
NOTE The Ecodesign Directive defines "other boilers", "low temperature boilers" and "condensing boilers". The Boiler Efficiency Directive defines "standard boilers", "low temperature boilers" and "condensing boilers". Depending on the legislation applied, a boiler can be both "a standard boiler" and an "other boiler"."
f) which are intended to be installed inside a building or in a partially protected place;
g) which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.
This European Standard applies to boilers designed for sealed water systems or for open water systems.
NOTE This general standard and the specific standards (see Part 2) provide requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard or a specific standard, the risk associated with this alternative construction will need to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This European Standard is not intended to cover appliances intended for connection to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance (see Annex EE).
This European Standard is not intended to cover appliances designed and constructed to burn gas containing toxic components.

This European Standard specifies the general requirements and the constructional and operating characteristics relating to safety and, rational use of energy, marking, withand the associated test methods for gas heated commercial catering and bakery appliances intended to be used indoor.
The specific requirements are given in Part 2.
Only appliances of types A1, A2, A3, B1 and B2, as defined in Clause 4, are considered in this European Standard.
This European Standard applies to all professional cooking and bakery appliances using gas for preparing food and drink.
Only the net calorific value (Hi) and net Wobbe number (Wi) are used.
Annex C, informative, lists the main types of equipment entering into the field of application of this European Standard.
NOTE: For appliances intended to be used in vehicles, in carriages or on board ships, additional requirements may be necessary

Shall be according to EN 203 1:2019, 4 with the following addition:
This European Standard applies to  open burners, non-enclosed covered burners and wok burners.

This document specifies the requirements and test methods for the construction, safety, marking and rational use of energy.
This standard is applicable to types B11, type C11, type C31 and type C91 appliances that burn gas and:
-   are closed-fronted;
-   incorporate a natural draught burner;
-   are connected directly to an open flue or to a device to evacuate the products of combustion (open-flued appliances, balanced-flued appliances);
-   are wall mounted, free-standing or built-in;
-   have a nominal heat input not exceeding 20 kW (based on the net calorific value).
This document is not applicable to:
-   open fronted appliances as specified in EN 13278;
-   decorative fuel effect appliances as specified in EN 509;
-   catalytic combustion appliances;
-   appliances in which the supply of combustion air and/or evacuation of products of combustion is achieved by mechanical means as specified in EN 1266;
-   ducted-air appliances;
-    appliances installed by means of a closure plate (see 3.3.3.3).
Matters related to quality assurance systems, tests during production and to certificates of conformity of auxiliary devices are not dealt with by this standard.

Shall be according to EN 203 1:2019, with the following addition:
This European Standard applies to commercial gas heated fryers.

Shall be according to EN 203 1:2019, with the following addition:
This European Standard applies to commercial gas heated natural convection ovens, forced air ovens, multi-function ovens and steaming ovens, atmospheric or pressurised.
Commercial bakery ovens, with a sole plate or a trolley and pizza ovens are also covered by this standard.
This European Standard does not cover appliances which are specifically designed for use in industrial process on industrial premises.

This European Standard specifies the construction characteristics, performances and marking related to safety and the rational use of energy of portable, flat gas appliances directly supplied at the LPG vapour pressure, incorporating a gas cartridge complying with EN 417, inserted horizontally in the chassis. This European standards covers appliances for outdoor or in well ventilated areas uses only.

This document presents guidelines for the implementation of Essential Requirements of Gas Appliances Regulation (EU) 2016/426 into hEN candidates for citation in the OJEU.
This document gives guidance that is additional to the CEN/CENELEC Internal Regulations, Part 3:2019, when this is necessary owing to the special requirements of gas appliances and fittings.
This document is intended for the drafting of gas appliances and fittings standards.

1.1   Scope of prEN 16905
This European Standard specifies the requirements, test methods and test conditions for the rating and performance calculation of air conditioners and heat pumps using either air, water or brine as heat transfer media, with gas-fired endothermic engine driven compressors when used for space heating, cooling and refrigeration, hereafter referred to as "GEHP appliance".
This European Standard only applies to GEHP appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions.
This standard only applies to GEHP appliances under categories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P and II2Er3P according to EN 437:2003+A1:2009.
This standard only applies to GEHP appliances having:
a)   gas fired endothermic engines under the control of fully automatic control systems;
b)   closed system refrigerant circuits in which the refrigerant does not come into direct contact with the fluid to be cooled or heated;
c)   where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 ºC during normal operation;
d)   where the maximum operating pressure in the
1)   heating water circuit (if installed) does not exceed 6 bar
2)   domestic hot water circuit (if installed) does not exceed 10 bar.
This European Standard applies to GEHP appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
The GEHP appliances having their condenser cooled by air and by the evaporation of external additional water are not covered by this European Standard.
Packaged units, single split and multisplit systems are covered by this European Standard. Single duct and double duct units are covered by this European Standard.
The above GEHP appliances can have one or more primary or secondary functions.
This European Standard is applicable to GEHP appliances that are intended to be type tested. Requirements for GEHP appliances that are not type tested would need to be subject to further consideration.
In the case of packaged units (consisting of several parts), the standard applies only to those designed and supplied as a complete package.
NOTE   All the symbols given in this text are used regardless of the language used.
1.2   Scope of prEN 16905-2
This part of prEN 16905 specifies the safety requirements, the safety test conditions and the safety test methods of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery.

This European Standard specifies the terminology, the general requirements for the construction and operation of forced draught gas burners and also the provision of control and safety devices, and the test procedure for these burners.
This European Standard is applicable to:
-   automatic gas burners with a combustion air fan (hereinafter called "burners") and gas line components, intended for use in appliances of different types, and that are operated with gaseous fuels;
-   pre mixed burners and nozzle mixed burners;
-   single burners with a single combustion chamber;
-   single fuel and dual fuel burners when operating only on gas;
-   the gas function of dual-fuel burners designed to operate simultaneously on gaseous and liquid fuels, which, for the latter, the requirements of EN 267 also apply.
This European Standard deals with all significant machine hazards, hazardous situations and events relevant to burners, when they are used as intended and under conditions of misuse which are reasonably foreseeable, see Annex J.
This European Standard specifies the requirements to ensure the safety during commissioning, start-up, operation, shut-down and maintenance.
This European Standard does not apply to burners specifically designed for use in industrial processes carried out on industrial premises.
This European Standard deals also with the additional requirements for the burners in the scope with pressurised parts and /or firing pressurised bodies, see Annex K.
This European Standard deals also with forced draught burners intended to be used with biogenous gaseous fuels, mixtures with line-conveyed gas and special gaseous fuels.
This European Standard deals also with burners and their equipment to increase the total appliance efficiency, see Annex M.

1.1   Scope of prEN 16905
This European Standard specifies the requirements, test methods and test conditions for the rating and performance calculation of air conditioners and heat pumps using either air, water or brine as heat transfer media, with gas-fired endothermic engine driven compressors when used for space heating, cooling and refrigeration, hereafter referred to as "GEHP appliance".
This European Standard only applies to GEHP appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions.
This standard only applies to GEHP appliances under categories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P and II2Er3P according to EN 437:2003+A1:2009.
This standard only applies to GEHP appliances having:
a)   gas fired endothermic engines under the control of fully automatic control systems;
b)   closed system refrigerant circuits in which the refrigerant does not come into direct contact with the fluid to be cooled or heated;
c)   where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 ºC during normal operation;
d)   where the maximum operating pressure in the
1)   heating water circuit (if installed) does not exceed 6 bar
2)   domestic hot water circuit (if installed) does not exceed 10 bar.
This European Standard applies to GEHP appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
The GEHP appliances having their condenser cooled by air and by the evaporation of external additional water are not covered by this European Standard.
Packaged units, single split and multisplit systems are covered by this European Standard. Single duct and double duct units are covered by this European Standard.
The above GEHP appliances can have one or more primary or secondary functions.
This European Standard is applicable to GEHP appliances that are intended to be type tested. Requirements for GEHP appliances that are not type tested would need to be subject to further consideration.
In the case of packaged units (consisting of several parts), the standard applies only to those designed and supplied as a complete package.
NOTE   All the symbols given in this text are used regardless of the language used.
1.2   Scope of prEN 16905-2
This part of prEN 16905 specifies the safety requirements, the safety test conditions and the safety test methods of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery.

This document specifies the requirements and test methods for the construction, safety, classification, marking and efficiency of non-domestic gas-fired overhead radiant strips heaters and multi-burner continuous radiant tube heater systems (referred to in the body of the text as the “system”) with each burner unit under the control of an automatic burner control system.
For radiant strip heaters incorporating a single burner, this standard is applicable to Type B22, B23, B52, B53, C12, C13, C32, C33 C52 and C53 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
For multi-burner continuous radiant tube heater systems this standard is applicable to type B22, B52, and C52 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
This standard also includes appliances incorporating a secondary heat exchanger in the flue system.
This standard is not applicable to:
a)   appliances designed for use in domestic dwelling;
b)   outdoor appliances;
c)   radiant strip heaters where the heat input is in excess of  300 KW (based on the net calorific value of the appropriate reference test gas);
d)   continuous radiant tube heater systems where the heat input of any individual burner unit is in excess of 70 kW (based on the net calorific value of the appropriate reference test gas);
e)   appliances having combustion products evacuation ducts that are non-metallic in the flue system – except ducts downstream of a possible additional condensing exhaust gas heat exchanger.
In addition, for heater systems incorporating multiple tube heaters this standard is not applicable to:
f)        appliances that are designed for continuous condensation within the flue system under normal      operating conditions – except downstream a possible additional exhaust gas heat exchanger.
This standard is applicable to appliances which are intended to be type tested.

This European Standard specifies the requirements and test methods for the construction, safety, rational use of energy, classification and marking of non-domestic gas-fired overhead luminous radiant heaters for environmental comfort, referred to in the body of the text as "appliances".
This European Standard is applicable to Type A1 and Type A3 appliances only (see 4.2.2) intended for use in other than residential dwellings:
a)   low gas pressure appliances operating at pressures up to and including 50 mbar;
b)   medium gas pressure appliances operating at pressures above 50 mbar and up to 2 bar.
This European Standard is not applicable to:
-   appliances designed for use in domestic dwellings;
-   outdoor appliances;
-   appliances of heat input in excess of 120 kW (based on the net calorific value of the appropriate reference gas);
This standard is applicable to appliances which are intended to be type tested.

This European Standard specifies the requirements and test methods for the construction, safety, classification, marking and efficiency of non-domestic gas-fired overhead radiant tube heaters incorporating a single burner and multiple burner systems (referred to in the body of the text as the "system") with each burner unit under the control of an automatic burner control system.
For radiant tube heaters incorporating a single burner, this standard is applicable to Type A2, A3, B12, B13, B22, B23, B42, B43, B52, B53, C12, C13, C32, C33, C52 and C53 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means located upstream of the draught diverter, if provided.
For radiant tube heater systems incorporating multiple tube heater segments, this standard is applicable to Type B52, B52x, B53 and B53x systems intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
This standard also includes appliances incorporating a secondary heat exchanger in the flue system.
This standard is not applicable to:
a)   appliances designed for use in domestic dwelling;
b)   outdoor appliances;
c)   appliances where the heat input of any individual burner unit is in excess of 120 kW (based on the net calorific value of the appropriate reference test gas);
d)   appliances having combustion products evacuation ducts that are non-metallic in the flue system - except ducts downstream of a possible additional condensing exhaust gas heat exchanger.
In addition, for heater systems incorporating multiple tube heaters this standard is not applicable to:
e)   appliances and systems that are designed for continuous condensation within the flue system under normal operating conditions - except downstream a possible additional exhaust gas heat exchanger.
This standard is applicable to systems which are intended to be type tested.

This European Standard specifies the requirements and test methods for the construction, safety, fitness
for purpose, rational use of energy and the marking of a micro combined heat and power appliance;
(hereafter referred to as “mCHP appliance”).
This European Standard applies to mCHP appliances of types B22, B23, B32, B33, B52, B53, C1, C3, C42, C43
C52, C53, C62, C63, C82, C83 and C9 based on the classifications of CEN/TR 1749:
– that use one or more supplied gases of the three gas families at the pressures stated in EN 437,
– where the temperature of the heat transfer fluid of the heating system (heating water circuit) does
not exceed 105 ºC during normal operation,
– where the maximum operating pressure in the
- heating water circuit does not exceed 6 bar,
- domestic hot water circuit (if installed) does not exceed 10 bar,
– which are either intended to be installed indoors or outdoors in a partially protected place,
– which are intended to produce hot water either by the instantaneous or storage principle,
– which have a maximum heat input (based on net calorific value) not exceeding 70 kW,
– which are designed for sealed or open water systems.
NOTE 1 For applications where the maximum allowable water temperature exceeds 110 ºC or where volume multiplied by
maximum allowable pressure exceeds 50 bar litres, further requirements may be necessary to comply with the essential
requirements of Directive 97/23/EC (Pressure Equipment Directive (PED)).
NOTE 2 For mCHP appliances with constructions that might not be fully covered by this European Standard or by another specific
standard, the risk associated with the alternative construction will be assessed.
NOTE 3 prEN 13203-4 will specify the assessment of energy consumption for domestic hot water production of gas combined
heat and power appliances (mCHP).
This European Standard does not contain the requirements necessary for appliance capable of producing
electrical energy without using the thermal energy.
This European Standard does not cover all the requirements for mCHP appliances that are intended to be
connected to gas grids where the quality of the distributed gas is likely to vary to a large extent over the
lifetime of the appliance (see Annex DD).

2019-01-10 AJC: Document uploaded to HAS platform for FV stage following failed original upload. New HAS deadline: 2019-02-14. Following reception of results, document will progress.
2017-07-17 CP: negative assessment recived - UAP cancelled
2021: CLC legacy converted by DCLab NISOSTS

This document specifies the requirements and test methods for the safety and efficiency of gas fired air heaters with or without a fan to assist the transportation of combustion air and/or flue gases, hereafter referred to as "appliances".
This standard also applies to warm air heaters having forced draught burners.
This European Standard applies to Type A2, A3 appliances, with an input not exceeding 300 kW (net CV basis), intended for non-domestic use.
This European Standard also applies to Type B11, B11AS, B11BS, B12, B12AS, B12BS, B13, B13AS, B13BS, B14, B14AS, B14BS, B22, B23, B41, B41AS, B41BS, B42, B42AS, B42BS, B43, B43AS, B43BS, B44, B44AS, B44BS, B52, B53, C11, C12, C13, C21, C31, C32, C33, C41, C62 and C63 appliances with an input not exceeding 300 kW (net CV basis), intended for domestic and non-domestic use.
Provision of the heated air may be by means of ducting.
This European Standard does not apply to:
a)   dual purpose air conditioning appliances (heating and cooling);
b)   appliances where the air is heated by an intermediate fluid;
c)   portable or transportable forced convection appliances;
d)   appliances fitted with manual or automatic means of adjusting the combustion products evacuation by means of flue dampers;
e)   appliances having multiple heating units with a single draught diverter;
f)   appliances fitted with more than one flue outlet;
g)   appliances fitted with gas boosters;
h)   C21 and C41 appliances for 3rd family gases.
NOTE   For C41 appliances, see all requirements and test methods that are valid for C21 appliances, unless otherwise stated.
This European Standard is not intended to cover appliances projected for connection to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance.
This European Standard is applicable to appliances which are intended to be type tested.

This European Standard specifies the requirements and test methods for the construction, safety, rational use of energy, classification and marking of non-domestic gas-fired overhead luminous radiant heaters for environmental comfort, referred to in the body of the text as "appliances".
This European Standard is applicable to Type A1 and Type A3 appliances only (see 4.2.2) intended for use in other than residential dwellings:
a)   low gas pressure appliances operating at pressures up to and including 50 mbar;
b)   medium gas pressure appliances operating at pressures above 50 mbar and up to 2 bar.
This European Standard is not applicable to:
-   appliances designed for use in domestic dwellings;
-   outdoor appliances;
-   appliances of heat input in excess of 120 kW (based on the net calorific value of the appropriate reference gas);
This standard is applicable to appliances which are intended to be type tested.

This document specifies the requirements and test methods for the construction, safety, classification, marking and efficiency of non-domestic gas-fired overhead radiant strips heaters and multi-burner continuous radiant tube heater systems (referred to in the body of the text as the “system”) with each burner unit under the control of an automatic burner control system.
For radiant strip heaters incorporating a single burner, this standard is applicable to Type B22, B23, B52, B53, C12, C13, C32, C33 C52 and C53 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
For multi-burner continuous radiant tube heater systems this standard is applicable to type B22, B52, and C52 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
This standard also includes appliances incorporating a secondary heat exchanger in the flue system.
This standard is not applicable to:
a)   appliances designed for use in domestic dwelling;
b)   outdoor appliances;
c)   radiant strip heaters where the heat input is in excess of  300 KW (based on the net calorific value of the appropriate reference test gas);
d)   continuous radiant tube heater systems where the heat input of any individual burner unit is in excess of 70 kW (based on the net calorific value of the appropriate reference test gas);
e)   appliances having combustion products evacuation ducts that are non-metallic in the flue system – except ducts downstream of a possible additional condensing exhaust gas heat exchanger.
In addition, for heater systems incorporating multiple tube heaters this standard is not applicable to:
f)        appliances that are designed for continuous condensation within the flue system under normal      operating conditions – except downstream a possible additional exhaust gas heat exchanger.
This standard is applicable to appliances which are intended to be type tested.

This European Standard specifies the requirements and test methods for the construction, safety, classification, marking and efficiency of non-domestic gas-fired overhead radiant tube heaters incorporating a single burner and multiple burner systems (referred to in the body of the text as the “system”) with each burner unit under the control of an automatic burner control system.
For radiant tube heaters incorporating a single burner, this standard is applicable to Type A2, A3, B12, B13, B22, B23, B42, B43, B52, B53, C12, C13, C32, C33, C52 and C53 appliances intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means located upstream of the draught diverter, if provided.
For radiant tube heater systems incorporating multiple tube heater segments, this standard is applicable to Type B52, B52x, B53 and B53x systems intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.
This standard also includes appliances incorporating a secondary heat exchanger in the flue system.
This standard is not applicable to:
a)   appliances designed for use in domestic dwelling;
b)   outdoor appliances;
c)   appliances where the heat input of any individual burner unit is in excess of 120 kW (based on the net calorific value of the appropriate reference test gas);
d)   appliances having combustion products evacuation ducts that are non-metallic in the flue system - except ducts downstream of a possible additional condensing exhaust gas heat exchanger.
In addition, for heater systems incorporating multiple tube heaters this standard is not applicable to:
e)   appliances and systems that are designed for continuous condensation within the flue system under normal operating conditions - except downstream a possible additional exhaust gas heat exchanger.
This standard is applicable to systems which are intended to be type tested.

This document specifies the safety requirements applicable to:
-   Selection criteria for ropes and their end fixings
-   Safety factors (excluding brake ropes)
-   Discard criteria
-   Storage, handling, transportation and installation (including tensioning, connecting and/or splicing)
-   Long splicing of 6 strand haulage, carrying-hauling rope and carrying-hauling rope (for ski-tow)
-   End fixings
-   Maintenance
and the minimum requirements applicable to:
-   MRT, visual and radiographic equipment and procedures for the examination of steel wire ropes.
This document is not applicable to cableway installations for the transportation of goods nor to lifts.
This document includes requirements relating to the prevention of accidents and the protection of workers irrespective of the application of national regulations.
National regulations of a building or federal/state nature or which serve to protect particular groups of people remain unaffected.

This European Standard specifies the general safety, design, construction, and performance requirements and testing for safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa of nominal connection sizes up to and including DN 250.
This European standard specifies general product requirements for the following controls:
-   automatic shut-off valves;
-   automatic burner control systems;
-   flame supervision devices;
-   gas/air ratio controls;
-   pressure regulators;
-   manual taps;
-   mechanical thermostats;
-   multifunctional controls;
-   pressure sensing devices;
-   valve proving systems;
-   automatic vent valves.
This European standard applies for control functions that are not covered by a specific control standard for burners and appliances burning one or more gaseous fuels or liquid fuels.
This European Standard applies also for safety accessories and pressure accessories with a product of the maximum allowable pressure PS and the volume V of less than 600 000 kPa • dm3 (6 000 bar• litres) or with a product of PS and DN of less than 300 000 kPa (3 000 bar) .
This European Standard applies for AC and DC supplied controls (for controls supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks controls see Annex I).
This European Standard is applicable to reset functions used for reset from lockout, e.g. due to ignition failure or temperature cut-out in burners and appliances (see Annex M).
This European Standard establishes methodologies for the determination of a Safety Integrity Level (SIL) and the determination of a Performance Level (PL) (see Annex J, Annex K and Annex L).
This European Standard gives guidelines for environmental aspects (see Annex N).
This European Standard does not apply to mechanical controls for use with liquid fuels.
Protection against environmental impact in open air (i.e. capable of withstanding UV radiation, wind, rain, snow, dirt deposits, condensation, ice and hoar frost (see IEV 441-11-05:2005)), earth quake, external fire are not covered by this standard.
This European Standard should be used in conjunction with the specific control standard (see Bibliography).

This document specifies constructional and performance characteristics, safety specifications and rational use of energy, relevant test methods and marking of independent stoves, side burners, covered burners, open burners, griddles, radiant grills, burning liquefied petroleum gas, referred to in the body of the text as "appliances".
This document covers appliances, used outdoors and operating with the gases of the third family according to EN 437:2018.
Appliances used in leisure vehicles and boats are outside the field of application of this standard.
Independent stove burners, whose nominal heat input is below 1,16 kW, griddles and radiant grills, are not subject to any special requirement concerning the rational use of energy due to their low rate and their use for short periods of time.
This document does not state all requirements for appliances of other nature incorporating a stove (for example barbecues are not covered by this standard but a side burner of a barbecue is covered by this standard).
This document does not cover regulators that are used with those appliances.

This European Standard specifies the general safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
This European standard specifies general product requirements for the following controls:
— automatic shut-off valves;
— automatic burner control systems;
— flame supervision devices;
— gas/air ratio controls;
— pressure regulators;
— manual taps;
— mechanical thermostats;
— multifunctional controls;
— pressure sensing devices;
— valve proving systems;
— automatic vent valves.
This European standard applies for control functions that are not covered by a specific control standard for burners and appliances burning one or more gaseous fuels or liquid fuels.
This European Standard applies also for safety accessories and pressure accessories with a product of the maximum allowable pressure PS and the volume V of less than 600 000 kPa · dm3 (6 000 bar · L) or with a product of PS and DN of less than 300 000 kPa (3 000 bar).
This European Standard applies for AC and DC supplied controls (for controls supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks controls see Annex I).
This European Standard is applicable to reset functions used for reset from lockout, e.g. due to ignition failure or temperature cut-out in burners and appliances (see Annex M).
This European Standard establishes methodologies for the determination of a Safety Integrity Level (SIL) and the determination of a Performance Level (PL) (see Annex J, Annex K and Annex L).
This European Standard gives guidelines for environmental aspects (see Annex N).
This European Standard does not apply to mechanical controls for use with liquid fuels.
The protection against environmental impact in open air (i.e. capable of withstanding UV radiation, wind, rain, snow, dirt deposits, condensation, ice and hoar frost (see IEV 441-11-05:2005), earthquake and external fire) is not covered by this standard.
This European Standard should be used in conjunction with the specific control standard (see Bibliography).

This document provides guidance on auditing management systems, including the principles of auditing,
managing an audit programme and conducting management system audits, as well as guidance on
the evaluation of competence of individuals involved in the audit process. These activities include the
individual(s) managing the audit programme, auditors and audit teams.
It is applicable to all organizations that need to plan and conduct internal or external audits of
management systems or manage an audit programme.
The application of this document to other types of audits is possible, provided that special consideration
is given to the specific competence needed.

This European Standard specifies the safety, construction and performance requirements for pressure sensing devices. This European Standard covers type testing only. It applies to pressure sensing devices for the measurement of pressures of combustible gases of the first, second and third families, air, combustion products for maximum inlet pressures up to 500 kPa (5 bar). It applies to all types of pressure sensing devices, including electronic, differential and inferential types. It specifies requirements for pressure sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements. These devices are classified as PSD-S in this European Standard.

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as ‘thermostats’. This European Standard applies to thermostats with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437. This European Standard applies to thermostats controlling the gas flow directly or indirectly through an integral gas valve, and which do not require external electrical energy for their operation. This European Standard only applies to thermostats used with gas appliances which are not installed in the open air. Thermostats dealt with in this European Standard are intended for control functions.

This European Standard specifies the safety, construction and performance requirements for manually operated taps and pre-setting taps intended for use with gas appliances and similar use, hereafter referred to as "taps". This European Standard is applicable to taps with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437. This European Standard does not apply to manual operated shut-off valves conforming to EN 331.

This European Standard defines the specifications and test methods for the construction, safety, rational use of energy and fitness for purpose, environment, classification and marking of room sealed storage water heaters for the production of sanitary hot water using LPG for: vehicles as defined in article 1 of Directive 70/156/EEC (see 3.12); caravan holiday homes; agricultural, forestry and mobile machinery, and boats; hereafter called "appliance". This standard applies to appliances: type C1, C3 and C5 (room sealed, see CEN/TR 1749) with combustion air intake and outlet for the products of combustion (combined or not) in the wall or roof; fitted with atmospheric burners; appliances fitted with or without a fan on the combustion circuit; using LPG at the pressure I3BP(30) indicated in EN 437, (for caravan holiday homes and boats see Annex A); of nominal heat input not exceeding 7 kW (Hi); appliances whether connected to the water mains pressure or on board water supply; appliances using, where appropriate, 12 V or 24 V DC electrical supply (or appliances with an additional 230 V heating element). This standard does not contain all the necessary requirements for: appliances which fulfil a dual purpose role of space heating and heating water for sanitary hot water use. This standard covers type testing only.

This document specifies, for the purpose of type examination, the requirements and test methods for construction, safety, marking and rational use of energy of 2nd and 3rd family gas-fired domestic flueless space heating appliances having a nominal input not exceeding 6 kW (based on net calorific value).
It covers the following Type AAS fixed flueless heaters:
   Note: These are type A appliances fitted with an atmosphere sensing device, with or without a       fan
a)   heaters with or without a catalytic converter;
b)   Category 1 appliances burning gases of the second family;
c)   Category 2 appliances burning gases of the second and third families.
It does not cover
a)   Mobile heaters.
b)   Category 1 appliances burning gases of the third family.
c)   Portable flueless heaters.
d)   Diffusive catalytic combustion heaters.
There are no specific thermal efficiency requirements appropriate to these types of appliance as:
a)   All the heat produced by the combustion process is released into the space to be heated.
b)   The requirements with regard to the combustion performance, which is a safety matter, ensure the effective burning of the fuel gas.
This standard is only applicable to appliances which are to be type tested. Matters related to quality assurance systems, tests during production and to certificates of conformity of auxiliary devices are not dealt with by this standard.

This European Standard specifies the safety, construction and performance requirements for pressure regulators (hereafter referred to as regulators) intended for use with gas burners and gas-burning appliances using fuel gases of the 1st, 2nd and 3rd families. This European Standard covers type testing only. It also provides additional information for the purchaser and user.
This European Standard is applicable to regulators that may be tested independently of gas burners and gas-burning appliances, which have a declared working pressure from above 500 mbar up to and including 5 bar.
This European Standard is also applicable to regulators incorporating safety devices.
NOTE 1   For safety accessories and pressure accessories, the requirements of EN 13611, Annex F also apply.
NOTE 2   Regulators conforming to EN 88-2 fulfil also the requirements of EN 88-1.
Regulators intended to be used on pipe work installations for third family gases are also covered by EN 13785 and EN 13786.
This European Standard is not applicable to:
a)   pressure regulators that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure;
b)   pressure regulators which use electrical auxiliary energy.

This European Standard specifies the requirements, the test methods and the marking of domestic flueless space heaters, including diffusive catalytic combustion heaters, having a nominal heat input (Hs), not exceeding 4,2 kW burning 3rd family gases at nominal operating pressures not exceeding 50 mbar, referred to in the text as 'appliances'. This European Standard is applicable to the following types of appliances: a) fixed heaters burning commercial butane and/or commercial propane; b) portable or mobile heaters burning either commercial butane, or, commercial butane and commercial propane including those that incorporate a LPG container installation compartment for a transportable refillable liquefied petroleum LPG container. There are no specific thermal efficiency requirements appropriate to these types of appliance as: c) all the heat produced by the combustion process is released into the space to be heated; d) the requirements with regard to the combustion performance, which is a safety matter, ensure the effective burning of the fuel gas. It does not cover appliances incorporating electrically operated gas control systems. Annex A gives the details of the categories of appliances marketed in various countries. Requirements for appliances given in this standard assume that the supply of gas from the container will be governed by a pressure regulator having a maximum nominal outlet pressure of 50 mbar. This European Standard does not cover LPG containers for liquefied petroleum gas neither their associated regulator nor tubing and flexible hoses which shall comply with national requirements in force. This European Standard only covers type testing.

This European Standard defines the requirements for the construction and operation relating to safety and the rational use of energy of chargrills.
It also sets out the technique used in the tests that check the characteristics.

EN 13611:2019, Clause 1 is replaced by the following:
This document specifies methods for the classification and assessment of function blocks for burners and appliances burning one or more gaseous or liquid fuels with particular regards to their fault behaviour and preventative measures.
This document is applicable to new control function blocks, not covered by dedicated control standards.

This document specifies the requirements and test methods for the construction and operating characteristics relating to safety and rational use of energy for gas heated commercial catering and bakery appliances intended to be used indoor.
This document applies to all professional cooking and bakery appliances using gas for preparing food and drink.
Only appliances of types A1, A2, A3, B1 and B2, as defined in Clause 4, are considered in this document.
Only the net calorific value (Hi) and net Wobbe index (Wi) are used.
The requirements concerning specific types of appliances are given in the relevant Part 2.
Annex C (informative) lists the main types of equipment covered by the scope of this document.
Appliances covered by this document are not intended to use gases containing carbon monoxide or other toxic components.
NOTE   For appliances intended to be used in vehicles, in trailers or on-board ships, additional requirements can be necessary.

The scope of EN 203-1:2021 applies, with the following modifications:
-   replace the 2nd paragraph with the following :
This document applies to open burners, non-enclosed covered burners and wok burners appliances.
-   replace the 3rd paragraph with the following :
This document does not cover appliances of type B.

This document specifies the requirements and test methods for the construction, safety, marking and rational use of energy.
This document is applicable to types B11AS, B11BS, B11CS, C11, C31 and C91 appliances (see 4.2) and those that:
—   are closed-fronted;
—   incorporate a natural draught burner;
—   are connected directly to an open flue or to a device to evacuate the products of combustion (open-flued appliances, balanced-flued appliances);
—   are wall mounted, free-standing or built-in;
—   have a nominal heat input not exceeding 20 kW (based on the net calorific value).
This document is not applicable to:
—   open fronted appliances as specified in EN 13278:2013;
—   decorative fuel effect appliances as specified in EN 509:1999/A1:2003;
—   catalytic combustion appliances;
—   appliances in which the supply of combustion air and/or evacuation of products of combustion is achieved by mechanical means as specified in EN 1266:2002;
—   ducted-air appliances;
—    appliances installed by means of a closure plate (see 3.3.3.3).
Matters related to quality assurance systems, tests during production and to certificates of conformity of auxiliary devices are not dealt with by this standard.

The scope of FprEN 203-1:2021 applies, with the following addition and modification of the 3rd paragraph:
This document applies to catering, bakery and pizza ovens.
This document applies to gas heated natural and forced convection ovens, multi-function ovens and atmospheric steaming ovens.
This document does not cover appliances which are specifically designed for use in industrial processes on industrial premises nor appliances intended to be operated with the door open.

This document presents guidelines for the implementation of Essential Requirements of Gas Appliances Regulation (EU) 2016/426 into hEN candidates for citation in the OJEU.
This document gives guidance that is additional to the CEN/CENELEC Internal Regulations, Part 3:2019, when this is necessary owing to the special requirements of gas appliances and fittings.
This document is intended for the drafting of gas appliances and fittings standards.

This European Standard specifies the common requirements and test methods, as well as the classification, marking and energy labelling of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This European Standard is to be used in conjunction with the specific Parts 2 (Part 2-1 and following ones).
This European Standard applies to boilers of types B and C.
NOTE For further background information on appliance types see CEN/TR 1749:2014 [1].
a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437;
b) where the temperature of the water is below or above 105 °C during normal operation;
c) where the maximum operating pressure in the water circuit does not exceed 6 bar;
d) which can give rise to condensation under certain circumstances;
e) which are declared in the instructions for installation to be either a "condensing" boiler or a "low temperature boiler" or a "standard boiler" or an "other boiler". If no declaration is given the boiler is to be considered both a "standard boiler" and an "other boiler";
NOTE The Ecodesign Directive defines "other boilers", "low temperature boilers" and "condensing boilers". The Boiler Efficiency Directive defines "standard boilers", "low temperature boilers" and "condensing boilers". Depending on the legislation applied, a boiler can be both "a standard boiler" and an "other boiler"."
f) which are intended to be installed inside a building or in a partially protected place;
g) which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.
This European Standard applies to boilers designed for sealed water systems or for open water systems.
NOTE This general standard and the specific standards (see Part 2) provide requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard or a specific standard, the risk associated with this alternative construction will need to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This European Standard is not intended to cover appliances intended for connection to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance (see Annex EE).
This European Standard is not intended to cover appliances designed and constructed to burn gas containing toxic components.

The scope of EN 203-1:2021 applies, with the following addition and modification of the 3rd paragraph.
This document applies to catering fryers.

This document specifies the requirements and methods of test for the safety and marking of freestanding and built-in domestic cooking appliances burning combustible gases given in EN 437:2021, referred to in the text as “appliances”.
The appliances covered by this document are intended to be used in a domestic dwelling.
This document covers the following types of domestic cooking appliances:
-   independent freestanding hobs;
-   independent built-in hobs;
-   hobs and grills;
-   table cookers;
-   freestanding ovens;
-   built-in ovens;
-   freestanding or built-in grills;
-   griddles;
-   freestanding cookers;
-   built-in cookers.
This document also applies to gas cooking appliances incorporating electrical heating elements (e.g. gas-electric cooking appliances).
For appliances intended to be used in caravans, or motorhomes/mobile homes or on board of ships or aircraft, additional requirements may be necessary.
This document does not apply to:
a)   outdoor appliances;
b)   appliances connected to a combustion products evacuation duct;
c)   appliances having a pyrolytic gas oven;
d)   appliances incorporating flame supervision devices and having an automatic ignition device for which the duration of the ignition attempt is limited by design;
e)   appliances equipped with a burner that is periodically ignited and extinguished under the control of an automatic on/off device;
f)   appliances equipped with an oven and/or with a grill having a fan:
1)   either for the supply of combustion air or for the evacuation of the products of combustion;
2)   or for the circulation of the products of combustion within the compartments;
g)   appliances incorporating one or more hob or grill burners that enable the user to program the delayed start of the cooking cycle;
h)   appliances of categories I2N, I2R, I3R, I2E(S), I2E(R), I2Esi, I2Er, I2R and the equivalent double and triple categories which include these indices;
i)   appliances of category II2E+3B.
This document does not cover the requirements relating to third family gas cylinders, their pressure regulators and their connection.

This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage for gas-fired standard and low temperature central heating boilers equipped with a forced draught burner. These boilers comprise a boiler body and a forced draught gas burner brought together at the producer's assembly facility, the whole being designed and marketed as a complete boiler. This standard does not apply to the case of the assembly of a boiler body and a forced draught gas burner designed and marketed separately. In this case, EN 303-3 applies. This European Standard applies to type B23 boilers with a nominal heat output not exceeding 1000 kW with a water temperature at normal operation not exceeding 105 °C and with a maximum water-side operating pressure not exceeding 8 bar. This European Standard does not contain all the necessary requirements for: - condensing boilers and combination boilers; - boilers intended to be installed in the open; - boilers permanently fitted with more than one flue outlet; - boilers intended to be connected to a common flue having mechanical extraction; - boilers equipped with several combustion chambers. This European Standard does not apply to living-space dedicated boilers (see 3.6). This European Standard only covers type testing.

This European Standard defines the specifications and test methods for the construction, safety, rational use of energy and fitness for purpose, environment, classification and marking of room sealed storage water heaters for the production of sanitary hot water using LPG for:
   vehicles as defined in article 1 of Directive 70/156/EEC (see 3.12);
   caravan holiday homes;
   agricultural, forestry and mobile machinery, and
   boats;
hereafter called "appliance".
This standard applies to appliances:
   type C1, C3 and C5 (room sealed, see CEN/TR 1749) with combustion air intake and outlet for the products of combustion (combined or not) in the wall or roof;
   fitted with atmospheric burners;
   appliances fitted with or without a fan on the combustion circuit;
   using LPG at the pressure I3BP(30) indicated in EN 437, (for caravan holiday homes and boats see Annex A);
   of nominal heat input not exceeding 7 kW (Hi);
   appliances whether connected to the water mains pressure or on board water supply;
   appliances using, where appropriate, 12 V or 24 V DC electrical supply (or appliances with an additional 230 V heating element).
This standard does not contain all the necessary requirements for:
   appliances which fulfil a dual purpose role of space heating and heating water for sanitary hot water use.
This standard covers type testing only.
NOTE 1   Alternatively appliances (storage water heaters) for caravan holiday homes may comply with EN 89.
NOTE 2   For space heating aspects see EN 624 "Specification for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats".

This European Standard specifies the requirements and test methods concerning, in particular, the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This European Standard applies to boilers of type B, as listed in 4.2:
3   that use one or more combustible gases of the three gas families at the pressures stated in Tables 16 and 17;
3   that have a nominal heat input (on the basis of net calorific value) exceeding 300 kW, but not exceeding 1  000 kW, including modular boilers;
3   where the temperature of the heat transfer fluid does not exceed 105 °C during normal operation;
3   where the maximum operating pressure in the water circuit does not exceed 6 bar;
3   that can give rise to condensation under certain circumstances;
3   of the standard and low-temperature types.
This European Standard applies to boilers designed for sealed water systems or for open water systems.
This European Standard does not contain all the requirements necessary for boilers:
3   intended to be installed in the open or in living rooms;
3   permanently fitted with more than one flue outlet;
3   where the combustion circuit is sealed with respect to the room where the boiler is installed;
3   of the condensing type;
3   intended to be connected to a common flue having mechanical extraction;
3   fitted with a forced draught burner in accordance with EN 676 (see EN 303-7);
3   producing hot water for domestic purposes.
This standard only covers type testing.
Matters related to quality assurance systems, tests during production, and certificates of conformity of auxiliary devices are not dealt with in this European Standard.

This standard specifies the construction and performance characteristics as well as the requirements and methods of test for the safety and marking of domestic cooking appliances, capable of using the combustible gases defined in EN 30-1-1:1998 and EN 30-1-1:1998/A1:1999, having one or more enclosed covered burners under a glass ceramic panel, referred to in the text as "appliances".
This standard is intended to be used in conjunction with EN 30-1-1:1998 and EN 30-1-1:1998/A1:1999 or EN 30 1 4:2002, and, where appropriate, EN 30-2-1:1999.
It does not cover all of the safety requirements and methods of test that are specific to forced convection ovens and/or grills.
Unless excluded specifically hereafter, this standard covers appliances or their components, whether or not the component parts are independent or incorporated into a single appliance, even if the other heating components of the appliance use electrical energy (e.g. gas-electric-cookers).
This standard includes requirements covering the electrical safety of equipment incorporated in the appliance that is associated with gas. It does not include requirements covering the electrical safety of electrically-heated component parts of their associated equipment ).
This Standard does not apply to:
-   outdoor appliances;
-   appliances connected to a combustion products evacuation duct;
-   appliances having a pyrolytic gas oven;
-   appliances having automatic burner control systems that
-   have a second safety time, or
-   control one or more burners that incorporate a separate ignition burner;
-   appliances having an uncovered burner or a non-enclosed covered burner;
-   appliances equipped with air-gas ratio controls;
-   appliances with more than one fan for the supply of combustion air and/or for the evacuation of products of combustion from a combustion chamber;
-   appliances supplied at pressures greater than those defined in 7.1.2.
This standard does not cover the requirements relating to third family ga

This European Standard specifies the requirements and test methods for the construction, safety, marking and rational use of energy of gas-fired insets for heating more than one room that are intended to be built into a casing made from brickwork or similar material.
This European Standard is intended to be used in conjunction with EN 613:2000.
This European Standard is applicable to type B11BS insets burning gas:
- that incorporate an atmospheric burner;
- that are installed directly to an open flue or to a device to evacuate the products of combustion;
- that have a nominal heat input not exceeding 20 kW (based on the net calorific value).
In addition, this European Standard is also applicable to insets for heating more than one room which have a live fuel effect.
This European Standard is not applicable to:
- open fronted appliances as specified in EN 13278;
- decorative fuel effect appliances as specified in EN 509;
- convection heating appliances as specified in EN 613;
- catalytic combustion appliances;
- appliances in which the supply of combustion air and/or evacuation of products of combustion is achieved by mechanical means as specified in EN 1266;
- warm air heaters (which are subject of CEN/TC 180).
This European Standard is only applicable to insets which are intended to be type tested.

Add to the first list of indents:
-   of the standard type possibly producing condensation in certain circumstances;
-   of the low-temperature type;"
Delete in the second list of indents:
-   of the low-temperature type;

TC - Replace Tables 5 and 6