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Mend Vaillant GB 242/2-5 Home Heating Systems

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Mend Vaillant GB 242/2-5 Boiler Heating Hot Water

no heating from gb 242/2-5 vaillant ?

HI ,we have a vaillant gb 242/2-5 the hot water works fine but the heating reaches about 79 on temp then quickly switches off.the water doesnt heat rads.and the rtn pipe on the boiler side is completly cold .but the pump works fine. any advice ?

mike
December 2008
VaillantVaillant GB 242/2-5Heating, Home Heating SystemsBoiler Heating Hot Water
hi did ya find out what the problem was im havin the same problem with mine thanks

snakeseye
January 2009

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