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International Comfort Products T9MPD075F12C1 Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that determines if and when the air is warmed to a point for the air to begin normal home circulation. A limit switch was crafted because if the air is not warm enough then the house will never get warm enough.
Indications limit switch is on its last leg
- The heating and AC system will not begin nor will it stay running even though max temp has not been reached
- Your system is starting to go through the startup sequence but stops quickly often
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