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Payne PG8MAA036070AAJA Limit Switch
Limit switches exist because if the air never warms up then you will never get hot air through the ducts. The limit switch is a type of sensor switch located in the furnace that senses, or governs, when the heated air is warm enough so that it may be pushed through the ducts and out the vents.
Red flags of a deteriorating critical limit switch
- The heating and cooling system will not even start or continue to run like it ought to
- The system begins to run erratically often
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