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International Comfort Products NTC7075BFG1 Limit Switch
A normal limit switch is a type of sensor switch in the heat exchanger that determines when the air is warmed to a point so that it may be pushed through the ducts and out the vents. One big reason why limit switches are designed that way is due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air.
Major symptoms of an inadequate limit switch
- The International Comfort Products system starts to go through the startup sequence but stops quickly repeatedly
- The heating and AC system refuses to start nor will it stay running for any length of time
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