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Nordyne G5RC Limit Switch
A normal limit switch has a sensor in the heat exchanger that determines when the heated air is actually warm enough for the main blower to kick in and circulate the air. Limit switches exist due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Indications critical limit switch will eventually need to be replaced
- Your system is starting to act weird more than once
- Your Nordyne system is unable to start or will not stay running like it is supposed to
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