Vaillant ECOFIT PURE 825 Questions & Answers

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1 Questions

  • User Non avatarMacatoy5 days ago

    I have just my old-fashioned conventional boiler to valiant ecoFIT pure combi boiler 825 002020539 version 18. The installation was done by British Gas. Now every time I open the cold water tap, it triggers the combi boiler. The BG engineers cannot find the cause. Can you help?