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International Comfort Products PGME24G0904 Limit Switch
Limit switches are crucial because if the warmed air is too cool then the house will never get warm enough. The limit switch is a type of sensor switch in the heating area that decides when the air is warmed to a point to activate the main blower.
Key clues of a defective limit switch
- The HVAC system refuses to start or run longer than 10 minutes
- The system is beginning to erratically time after time
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