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International Comfort Products T9MPV125L20B1 Limit Switch
A normal limit switch is a type of sensor switch in the heat exchanger that decides when the air is actually warm enough that it can be circulated throughout the house. The main reason limit switches are made is because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Signs limit switch needs a replacement ASAP
- System will not initiate or will not stay running longer than a minute
- The whole system starts to act differently often
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