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Recent content by Mike_D

  1. M

    Help please - Glow Worm boiler problem

    I have a GW Fuelsaver 25-30 in a fully pumped system. The pump is running, valves are open, pilot light is lit, boiler stat is set but the main burner won't fire up. I have wired out the thermocouples for test purposes and there is 18v ac at the control valve. Is this too low as I believe the...
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