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International Comfort Products PYMC36G4 Limit Switch
Limit switches are built due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the air handler that decides when the heated air is actually warm enough that it can be circulated throughout the house.
Major clues to watch for in a failing main limit switch
- The heating and AC system will not even start or continue to run even though the desired temperature has not been attained
- Your system begins to act weird frequently
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If you decide on picking up or purchasing, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct limit switch is the one being purchased. The installing of the limit switch is not difficult provided you have the time and have the tools to do it right.
Feel free to download your manual for help.
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