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International Comfort Products PGMD36G0604 Air Pressure Switch
The main job of the pressure switch is to sense if the blower fan is actually running. This is one of the most crucial mechanisms designed to keep everyone in the house safe. The vast majority of pressure switches made today are constructed with a manual reset, which means you have to physically reset it or the entire system will not run.
Warning Signs that the HVAC Air Pressure Switch is About to go Bad
- The furnace refuses operate at all.
- Incorrect voltage range running through the switch.
- The proper temperature is hardly ever fully achieved.
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