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International Comfort Products PGC048L120F Air Pressure Switch
The primary function of the switch is to determine whether or not the blower is doing what it is supposed to do. This pressure switch is one of the most crucial mechanisms designed to keep you safe. Some particular air pressure switches are designed with a reset that is manual instead of automatic, by which you must manually reset it before the entire HVAC system will continue operating again.
Symptoms to Look for when the HVAC Air Pressure Switch is About to go Bad
- The blower will not run.
- The desired temp is almost never achieved.
- Inaccurate voltage range being read.
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