Recent content by bowboy

  1. B

    Boiler power remains on

    Is there no way of disconnecting and viewing results to determine which valve is faulty?
  2. B

    Boiler power remains on

    In what way?
  3. B

    Boiler power remains on

    Bump..... How can I test the 4043 2 way valves for serviceability?
  4. B

    Boiler power remains on

    Bump! Any ideas, how can I test the 2 way valves for serviceability?
  5. B

    Boiler power remains on

    Hi and thanks for listening in advance. I have read as much info as possible about solutions to this problem but I can not suss it. I have a HRM Wallmaster oil fired boiler and a reasonably new set up with two Honeywell 4043 2 way motorised valves a room stat a timer/controller and a frost...
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