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International Comfort Products PGF030K080F Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts. The limit switch is a switch in the air handler that decides if and when the air is actually warm enough for the main blower to kick in and circulate the air.
Major signs main limit switch is in need of replacing
- The International Comfort Products system is beginning to become unpredictable often
- System will not initiate or continue to run longer that five minutes
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