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International Comfort Products GDJ100M12B1 Air Pressure Switch
The main function of the pressure switch is to figure out if the blower fan is on and running. A lot of switches have a manual reset feature, which, of course, means that it would have to be reset by hand before the HVAC system will continue. An air pressure switch is part of a small, but important collection of devices that are created to keep everyone in the house safe.
Clues that your Switch is Failing
- The proper temperature indoors seldom fully achieved.
- Furnace can't ignite the gas.
- Incorrect volt being read.
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