ok gas112 i will give it a try how much are you putting them on ebay with there costs listing final and paypal charges and the like or direct i put a battery drill on there and it was quite amazing the charges i had to pay
how do these wax units stop the boiler from firing though cant understand...
Hi with DHW demainded the boiler does not make a noise apart from the flow switch clicking over the two micros and a odd creak
Then with CH off, if you select DHW preheat, does the boiler fire up? Sorry no only on CH
and Dp fine were do we go from here do u want my contact no
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Hi i have a very old Vaillant and its done me very good service but now go a problem When DHW is demanded the boiler does not fire up at first I thought it was the differential valve not sensing the water pressure but the pin was moving and the micro switches were going over the CH is fine but...