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International Comfort Products C9MPV125L20B1 Limit Switch
A normal limit switch contains a sensor in the air handler that makes the determination when the air is warm enough that it can be circulated throughout the house. Limit switches exist because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Do you know if your limit switch most likely needs replacing?
- The HVAC system refuses to start nor will it stay running longer than a minute
- The HVAC system begins to run erratically often
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