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I hav e a Vaillant 110 Timeswitch fitted to my boiler and it has started to play up,it loses time and sometimes stops working completely? When i take it out and refit it ,it seems to start working ok again for a short while? Before I go and buy a replacement I would like to know if any body has...

Hello again chaps. I have received my new diverter valve(with the bigger holes) and am considering fitting it myself? From what i have read on previous posts it doesnt seem too bad a job,its certainly easy to get to... At the risk of sounding like an idiot and asking you to go over something...

Hello folks. I am new to this site and its a bit of a long winded problem ive got but here goes... I have a Vaillant Turbomax Plus 824e combi boiler in my flat and last year the on/off switch snapped off. Because my timer(analogue plug in type) had been playing up,ie not turning the heating...