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Haier CPN10XCJ Limit Switch
Limit switches are built because if the air never warms up then the house will never get warm enough. The limit switch has a sensor located in the furnace that makes the determination if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents.
General warnings of a weak limit type switch
- The HVAC system is beginning to act weird frequently
- The heating and AC system is unable to start or run longer than 10 minutes
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