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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 immediately after the unit is turned but before the igniter comes on?
Question: Is this sufficient information to replace the control board or is there something else I should check before replacing the IFC?
Appreciate any advice.
Question: Is this sufficient information to replace the control board or is there something else I should check before replacing the IFC?
Appreciate any advice.