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Vaillant Vcw Gb 242 Eh pilot light comes on 4 water but not the heating? ?

Hi, when I turn the hot tap on the pilot light sparks in thye boiler and the water becomes hot. When I turn the heating switch the boiler comes to life but the pilot light doesnt come on so we have no heating. I have been trying all day to find a solution. Any thoughts would be much appreciated. Cheers Neil

Neil
November 2010

Vaillant Heating, Home Heating Systems Vcw 242 Eh

Hi! Neil.
Do a Google! I think you will find it is the Diverter Valve which is at fault!
Phil

Phil
December 2010

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Vaillant Vcw Gb 242 Eh pilot light comes on 4 water but not the heating? ?

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