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Payne PA1ZNA042000AAAA Air Pressure Switch
The primary function of the switch is to figure out if the air blower is blowing air. Some particular air pressure switches may have a reset feature that is manual, from which it would have to be reset manually or the whole HVAC system will not continue operation. This is one of many other mechanisms designed to stop injuries or explosions.
Signs that the HVAC Air Pressure Switch is Beginning to Fail
- The desired indoor temperature seldom fully attained.
- Wrong electrical voltage being used by the switch.
- Furnace won't operate.
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