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Frigidaire FRP15PTT2A0 Limit Switch
A normal limit switch contains a sensor in the heating area that determines if and when the air is actually warm enough for the air to begin normal home circulation. One big reason why limit switches are designed that way is 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.
Hints of an inadequate main limit switch
- The HVAC system is starting to initiate and then stops repeatedly
- System will not initiate or run well longer than 30 seconds
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