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Carrier EW Air Pressure Switch
The reason for the existence of the air pressure switch is to sense if the blower is doing what it is supposed to do. A good number of pressure switches today have a manual reset feature, which means you have to physically reset it before the entire HVAC system will continue operating again. This pressure switch is one of the vitally important safety aspects of the whole safety system that is intended to keep everyone in the house safe.
Signals that the Pressure Switch is Needing to be Replaced
- Incorrect voltage range running through the pressure switch.
- Your system doesn't actually get to the right temperature when set by the thermostat.
- The blower fan refuses to operate.
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