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Payne PG8MAA048090AAJA Air Pressure Switch
The main function of the pressure switch is to sense whether the main blower is actually running. An air pressure switch is one of the most crucial aspects of the whole safety system that is intended to keep you safe. Some pressure switches have a manual reset feature, which makes you reset it by hand or the whole HVAC system will not continue operation.
Signals that the Pressure Switch has Failed
- Bad volt range reading from the switch.
- The blower fan is unable to run correctly.
- The proper indoor temperature is rarely fully attained.
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