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Mend Vaillant GB 242 EH Combi Boiler Heating Divertor Valve

I can not get C/Heating on VCW GB 242 EH Vaillant Combi Boiler ?

I have just renewed the Divertor valve on my combi I have hot water while switch is in Summer mode, but when I switch to winter mode I do not get heating nor H/water I have checked the wiring and noted I have not got power between 3-4 on terminal block.I know this should be live when demand is asks for would it be PCB or anyother fault.

Ted lambert
August 2008
VaillantVaillant GB 242 EHHeating, Home Heating SystemsCombi Boiler Heating Divertor Valve
did you find a solution to this?i had the same problem as well

n.brown
September 2008
I have same issue as this, if you know how to fix or can offer any advice, please email me steviewhy83@aol.com thanks!!!!!

I've tried changing the pump etc but no luck!

Steve Whyatt
September 2008

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Free repair help for Vaillant GB 242 EH home heating systems