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  1. M

    Potterton Promax Combi HE Plus

    Many thanks for the replies guys. I took the advice of clf-gas and checked the isolation valve. Turned it the other way, then reset the boiler and hey presto - hot water at full pressure! Still seems OK hours later, so hopefully that's been the problem. Cheers. :D :D
  2. M

    Potterton Promax Combi HE Plus

    No previous problems with this boiler - Central heating working fine, but there is no hot water flow to any of the taps in the house. When any of the hot taps are opened, nothing happens, not even cold water coming out of them. All was fine yesterday evening. No error codes showing on boiler...
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