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DeLonghi PAC-N130HPE Limit Switch
A normal limit switch contains a sensor in the air handler that makes the determination when the heated air is warm enough that it can be circulated throughout the house. Limit switches exist due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
Clues main limit switch needs to be replaced
- The heating and cooling system will not initiate or continue to run even though the desired temperature has not been attained
- The whole system is beginning to shut down unexpectedly more often than not
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