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Carrier 24ABR348A0031010 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that determines when the air is warm enough for the blower to be activated. Limit switches were created 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 of a declining limit switch
- The heating and AC system is unable to start nor will it stay running longer that five minutes
- The system begins to become inconsistent more than once
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