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Hi aris, Hope you have sorted it out already. But if not, Yes after the demand for water had stoped the light would start flashing and would be constant. only a reset would start the boiler. apparently there is a timing issue also with the switch. If the small white plunger that sits on top...

Yes sorry about the spelling. That one got past me. It is nice and warm not underground. Is it usual for a such a large deposit to build up. Bengasman. Could you explain the sooner rather than later quote as I am starting to get a bit worried. Should I expect more problems as to this...

Hi Tony, Corgi territory is a rocky place to tread. But thanks anyway. I banged about on the net and spoke to Vaillant and with much staring at the boiler everything seamed to point to the Pressure Differential Switch. So I changed it this morning and so far so good. I had a look inside the...

Hi all, I have a vaillant Turbomax VUW GB 242 /1E. And it keeps failing the diagnostic panel shows the yellow ignition indicator light flashing. The boiler then won’t work not for heating or water. I have to reset the boiler at the switch and then it fires up as normal runs until the...