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gas valve does not open
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  1. HVAC
    My RHEEM Furnace's Gas valve is not turning on. I checked the voltage across the Valve and it reads 13.9 V immediately after I turn the unit on and once the igniter ignites it still reads at 13.9V . The valve requires 24V to open. Question should the voltage across the valve not be 0.0 V...
  2. HVAC
    Recently I replaced the whole gas valve assembly on my gas fireplace insert. The gas valve is a SIT Nova 820 model 0820634, also replaced the thermopile and the thermocouple this thermocouple has an interrupter to control something I don't know, I suspect is a damper in the chimney outlet I am...
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