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International Comfort Products PGF030K060A Limit Switch
The limit switch is a switch located in the furnace that senses, or governs, if and when the air is actually warm enough for the blower to be activated. Limit switches are crucial because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Key signs of a poorly working critical limit switch
- The system is starting to become inconsistent from time to time
- System will not even start or will not stay running longer than 10 minutes
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