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I have a Valliant VCW-Sine 18 T3 WFH boiler and we are having a new cabinet put in around it but unfortunately where the timer (Randall 103) was originally installed on the wall it is in the way. I need to move the unit but as it is really old/dirty and cracked and I was hoping that someone...

I have a Valliant VCW-Sine 18 T3 WFH boiler and during decorating managed to accidentally break the wall mounted thermostat temp control unit on the wall in our hallway. Would anyone be kind enough to advise as to what replacement unit I could buy that would be compatible with the boiler...

Yep it was an electrical fault with the unit.

Thanks for the info. I found the rubber button you are talking about. (The overheat reset button?). When I tried pushing the button in, it was was as if it was just filed with air and there was nothing underneeth/inside the button. Do you know if this is correct? I tried pushing it in as...

Hi There, I have been searching around the web and looking on DIYnot for a while so please excuse me if this question has been covered before and I missed it. I have a Valliant VCW-Sine 18 T3 WFH boiler and it was working fine. All of a sudden, although the pilot light is on, when the hot...