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International Comfort Products GDL050N12A1 Air Pressure Switch
The actual job of the air pressure switch is to determine whether or not the blower is blowing air. The vast majority of pressure switches made today are constructed with a manual reset, which, of course, means that it would have to be reset by hand before the entire HVAC system will continue operating again. This is just one of many safety creations designed to stop injuries or explosions.
Signs to Look Out for when your Air Pressure Switch has Gone Bad
- Furnace can't run.
- Wrong volt range being used by the switch.
- HVAC system does not achieve the desired temp according to the settings on the thermostat.
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