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Carrier 50ZP-042 Air Pressure Switch
The main job of the air pressure switch is to determine whether or not the main blower is on and running. This switch is one of the vitally important safety device to keep you from harm. The vast majority of pressure switches made today are programmed with a manual reset, which, of course, means that it would have to be reset by hand before the system will continue its normal operation.
Signs to Look for when the HVAC Air Pressure Switch is Going Bad
- The blower fan is unable to run.
- Wrong volt range being used by the switch.
- System does not get to the correct temperature as set by the thermostat.
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