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View Full Version : Limit circuit open


jrp18
Nov 5, 2009, 07:26 AM
I have an intertherm gas furnace with a limit circuit open alarm. What can I do/check to clear this alarm?

hvac1000
Nov 5, 2009, 11:29 AM
The limit opened because there is a problem with your furnace. Locate wiring diagram on your furnace then locate limit then test with meter. Sometimes the limit will have a reset button in the middle to push to reset