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International Comfort Products H9MPD050F12A1 Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that can determine when the air is warmed to a point for the blower to be activated. The main reason limit switches are made is due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
What signals that my limit switch most likely is crapping out?
- The International Comfort Products system is starting to runs uneven occasionally
- The heating and AC system refuses to kick in nor will it stay running like it should
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