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Thermostat wires break down wt white wire is heat. Y is yellow and is your compressor. G gree… | Refrigeration and air conditioning, Thermostat wiring, Hvac filters
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How To Jumper a Furnace - YouTube
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How to Jump Thermostat for Heat or AC - YouTube
How To Bypass the Furnace Limit Switch for Testing – HVAC How To
Heat only system, no C connection on furnace controller : r/ecobee