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International Comfort Products GPFM48K080F Limit Switch
A normal limit switch contains a sensor located in the furnace that senses, or governs, if and when the air is warm enough to activate the main blower. 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.
Important signs main limit switch is in dire straights
- Your International Comfort Products system refuses to start or run like it ought to
- The system is starting to run erratically on a regular basis
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