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International Comfort Products PGMD36G0904 Limit Switch
Limit switches are built because if the air is not warm enough then you will never get hot air through the ducts. The limit switch is a switch in the heat exchanger that can determine when the heated air is warm enough for the main blower to kick in and circulate the air.
Warnings of a weakening limit switch
- Your system is starting to run erratically more than once
- Your International Comfort Products system will not begin or continue to run longer than 10 minutes
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