This European Standard specifies the safety, construction and performance requirements for thermoelectric flame supervision devices, energized by a thermocouple intended for use with gas burners, gas appliances and similar use, hereafter referred to as "controls".This European Standard is applicable to controls with declared maximum inlet pressures up to and including 500 kPa (5 bar) 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 is not applicable to: a) the thermocouple; b) controls which use auxiliary energy (e. g. electrical energy supplied externally).
EN 125:2010 history
2022EN 125:2022 Flame supervision devices for gas burning appliances - Thermoelectric flame supervision devices
2015EN 125:2010+A1:2015 Flame supervision devices for gas burning appliances - Thermoelectric flame supervision devices
2010EN 125:2010 Flame supervision devices for gas burning appliances - Thermoelectric flame supervision devices
1991EN 125:1991 Flame Supervision Devices for Gas Burning Appliances - Thermo-Electric Flame Supervision Devices Includes Amendment A1: 1996