Recent content by soledancer

  1. S

    Truma Ultraflow smart switch 2nd Generation not activated by hot water taps

    Hi. The only way I can get hot water is to turn the tap(s) very slowly from cold to hot, which is a pain. If I turn the hot tap on, or move quickly from cold to hot "Clunk" the pump goes off. I have checked the non return valve, changed the pump, cleaned the tap heads, drained the system for...