microinterruptor caldera vaillant 257943 filtro de agua frigorífico con 3 anclajes Reference: RS-RT4387

Reference: RS-RT4387

WXLI4240GB/24 SIWAMAT XLI4240 SIEMENS

allowing you to extend the life of your appliance

this bellows gasket ensures a tight seal between the door and the drum

911926253 03 ASI66011W

microinterruptor caldera vaillant 257943 filtro de agua frigorífico con 3 anclajes Reference: RS-RT4387The Vaillant 257943 microswitch is an electrical component designed for Vaillant brand boilers. Its main function is to detect the presence of flame or water pressure, allowing the proper operation of the boiler's ignition and safety system. It acts as a low voltage switch that sends signals to control the burners ignition and shutdown. What problem does this replacement part solve? Boiler that does not ignite due to flame detection failure. Frequent