Why Does the Thermostat Say the Heat's On But the Furnace Isn't
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Gas-fired furnace, forced air unit] Heat won't turn on. Thermostat display works, but won't turn on heat. Says no power even though C wire is connected. Gas stove works. Any ideas?
Non-programmable Thermostat, Heat Pump Thermostat 24 Volt with Backlit Digital Display for Room, 2H/1C,Saswell T21HTW-0
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