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Troubleshooting the Furnace Control Board IFC to Test if its BAD! For Heat and AC Diagnosis!

In this HVAC Video, we go over the Troubleshooting of the IFC Gas Furnace Control Circuit Board to see if it is Bad. Integrated Furnace Control Diagnosis, Voltage Paths, Testing Points, Sequence of Operation, Wire Connections, Thermostat Wiring, Safety Wires and Checking for Voltages, Self Test Points, Flame Rectification and Why the Board is often Misdiagnosed as the Problem!

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