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Payne PH3ZNA042000AA Air Pressure Switch
The reason for the existence of an air pressure type switch is to see if the primary air circulator is circulating the air as it should. This pressure switch is one of the vitally important safety facets of the HVAC safety checks that are dedicated to keep everyone in the house safe. Some pressure switches may have a reset feature that is manual, which forces the system to be reset physically before the system will continue its normal operation.
Symptoms that your Pressure Switch will Fail Soon
- The furnace will not run.
- Bad voltage range being read.
- The proper temp is almost never reached.
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