SAIL SWITCH VOLTAGE CHECK
Hoping for help on troubleshooting a Furnace Sail Switch. Furnace was intermittently failing and now progressively worse. Blower would come on and after about 30 seconds would shut off - no audible at...
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Not a very good drawing but may help.Wiring diagram
Interesting the sail switch is tied to thermostat.
You could have thermostat issue.
Interesting the sail switch is tied to thermostat.
You could have thermostat issue.
