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International Comfort Products PGC036L080F Limit Switch
Limit switches are built because if the warmed air is too cool then the house will never get warm enough. The limit switch contains a sensor in the heat exchanger that makes the determination when the air is actually warm enough that it can be circulated throughout the house.
Main clues limit switch has very little life left
- The HVAC system refuses to start nor will it stay running like it should
- The HVAC system begins to shut down unexpectedly from time to time
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