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Carrier 58MXB080F10120 Limit Switch
This is important 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. A normal limit switch contains a sensor in the air handler that makes the determination when the heated air is actually warm enough that it can be circulated throughout the house.
Cues of a worsening limit switch
- The HVAC system refuses to kick in nor will it stay running longer than a minute
- The Carrier system starts to initiate and then stops repeatedly
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