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Goodman GMS80704BN Limit Switch
Limit switches exist due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. The limit switch contains a sensor in the heating area that senses, or governs, when the heated air is warmed to a point that it can be circulated throughout the house.
Symptoms critical limit switch is on its last leg
- The Goodman system is starting to behave erratically from time to time
- The HVAC system refuses to start or will not stay running like it ought to
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