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International Comfort Products GPFM48K080F Air Pressure Switch
The actual job of the pressure switch is to determine whether the blower is running properly. Most air pressure switches are issued with a manual reset feature, by which you must manually reset it or the whole HVAC system will not continue operation. This pressure switch is part of a small, but important collection of facets of the HVAC safety checks that are dedicated to keep you from harm.
Clues that your Air Pressure Switch is Already Going Bad
- The expected temperature is hardly ever achieved.
- Bad volt range reading.
- Furnace will not run.
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