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Haier CPN08XCJ Limit Switch
Limit switches are crucial due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. The limit switch is a switch in the air handler that makes the determination if and when the air is warmed to a point for the main blower to kick in and circulate the air.
Indications limit type switch will soon need to be replaced
- The heating and AC system will not begin nor will it stay running longer than a minute
- Your system begins to ramp up but then stops from time to time
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