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International Comfort Products GPSM36L100F Air Pressure Switch
The main function of an air pressure type switch is to see if the blower fan is doing what it is supposed to do. Various air pressure switches have a manual reset feature, which means you have to physically reset it before the entire HVAC system will continue operating again. This is part of a small, but important collection of hardware devices made to stop injuries or explosions.
How to Know when your Air Pressure Switch has Failed
- The expected temperature in the house is never fully attained.
- Furnace is unable to operate at all.
- Bad electrical voltage running through the switch.
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