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International Comfort Products PGC036H080F Limit Switch
A normal limit switch is a switch located in the furnace that makes the determination when the air is warmed to a point for the blower to be activated. Limit switches are built 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.
Major warnings limit switch will die soon
- The HVAC system will not even start or run well for any significant length if time
- The system is starting to stop suddenly frequently
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