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International Comfort Products NNE050B12A1 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that decides when the heated air is warmed to a point so that it may be pushed through the ducts and out the vents. Limit switches exist because if the air is not warm enough then you will never get hot air through the ducts.
Main clues limit switch is going out
- The International Comfort Products system begins to go through the startup sequence but stops quickly frequently
- The heating and AC system refuses to kick in or will not stay running for any length of time
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