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International Comfort Products PGC018K040F Limit Switch
One big reason why limit switches are designed that way is because if the air never warms up then the house will never get warm enough. A normal limit switch is a switch located in the furnace that determines when the heated air is actually warm enough for the main blower to kick in and circulate the air.
Symptoms to watch for in a bad limit switch
- The system starts to shut down unexpectedly frequently
- Your International Comfort Products system is unable to start or run like it is supposed to
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