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Payne PH12NA036000 Air Pressure Switch
The reason for the existence of this type of switch is to determine whether the blower fan is running. This is just one of the many indispensable mechanisms designed to stop injuries or explosions. A lot of switches can have a manual reset, which means it will have to be manually reset before the entire HVAC system will continue operating again.
What to Look for when your Air Pressure Switch is Starting to Go Bad
- Your furnace can't ignite the gas.
- HVAC system does not actually get to the right temp according to the settings on the thermostat.
- Bad voltage being read.
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