Gas Furnace Troubleshooting -Hawthorne

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This class was designed to improve troubleshooting skills on gas furnaces. It will focus on the two types one is most likely to encounter, high-efficiency condensing furnaces and standing pilot-type furnaces.

Course Topics Include:

– Ignition diagnostics
– Burner flame flashback
– Failure of safety shutoff circuit
– Defective fan limits
– Heat relay coil
– Thermostat troubleshooting
– Blower relay coil
– Blower motor capacitor
– Vent pressure switch
– Rollout switch
– Gas pressure regulator
– High limit switch
– Gas valves
– Heat relay coils
– Control transformer
– Condensing & non-condensing gas furnaces