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Haier CPN08XCJ Air Pressure Switch
The main function of an air pressure type switch is to sense whether the blower fan is circulating the air as it should. This pressure switch is just one of many devices designed to keep you from harm. A good number of pressure switches today are constructed with a manual reset, from which the switch will have to be manually reset or the entire system will not run.
What to Look Out for when your Air Pressure Switch is Going Bad
- System does not get to the correct temperature.
- Wrong voltage range running through the switch.
- Furnace can not operate at all.
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