placa caldera vaillant 0020135165 840W GO DC 78 86 S

GO DC 78 86 S 31100226 CANDY

Note: supplied without decorative covers

WAS32363FG/01 BSH

CTL636ES1/06

Saunier Duval SEMIAFAST F 24

placa caldera vaillant 0020135165 840W GO DC 78 86 SThe Vaillant electronic board 0020135165 is an essential control module for the proper operation of Vaillant boilers, especially models VM 386 5 5 R4 and VMW 306 5 5 C. O. This board manages ignition, regulation, and boiler safety by processing sensor signals and controlling elements such as the burner and circulation pump. What problem does this replacement solve? Boiler that does not turn on or does not respond to ignition Temperature regulation