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Mend Vaillant 242e Boiler Combi Microswitch

boiler problem ?

hot water on vaillant 242e combi only works when it's on the heating and hotwater switch, doesnt work only on hot water switch, is it the microswith that's the problem, please can anybody help?

dave
July 2009

Vaillant Vaillant 242e Heating, Home Heating Systems Boiler Combi Microswitch

Saunier Duval Themaclassic F30 E boiler is not working. not hot water and no central heating. F9 keeps flashing up

Salma
July 2009

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Vaillant 242e Boiler: Hot Water Issue