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Nordyne P5RF Air Pressure Switch
The reason for the existence of the air pressure switch is to determine whether the blower fan is blowing air. This switch is one of the critical facets of the HVAC safety checks that are dedicated to keep you from harm. Some pressure switches are issued with a manual reset feature, which forces the system to be reset physically before the HVAC system will continue.
What to Look for when the Switch is About to Fail
- The furnace won't ignite the gas.
- The right indoor temperature is almost never achieved.
- Bad volt range running through the pressure switch.
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