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BS EN 126:2012
Multifunctional controls for gas burning appliances (British Standard)
This European Standard specifies the safety, construction and performance requirements for multifunctionalontrols intended for use with gas burners, gas appliances and similar use, hereafter referred to as MFC.his European Standard is applicable to MFC with declared maximum inlet pressures up to and including0 kPa (500 mbar) of nominal connection sizes up to and including DN 150 for use with one or more fuelases in accordance with EN 437.FC consist of two or more functions, at least one of which is a mechanical control, as specified in theelevant control standards (see Figure 1). MFC consisting only of electronics are not covered by EN 126 (anxample is a combination of functions according to EN 298 and EN 1643).
British Standards Institution [bsi]