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Haier HPN14XCM Air Pressure Switch
The main function of the switch is to figure out if the main blower is blowing air. This pressure switch is part of all the safety features in today's HVAC systems in place to keep you safe from any injuries. Some pressure switches are programmed with a manual reset, which means you have to physically reset it or else the system will cease to function.
Important Signs that the Pressure Switch is Beginning to Go Bad
- Your heating and cooling system can not run.
- Inaccurate volt range reading.
- System does not get to the correct temp according to the settings on the thermostat.
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