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International Comfort Products HAC030GKA4 Air Pressure Switch
The job of the switch is to determine whether the blower fan is on and running. An air pressure switch is one of many other devices designed to stop injuries or explosions. Various air pressure switches have a manual reset feature, which means it would need to be reset or the whole HVAC system will not continue operation.
Warning Signs that the Pressure Switch has Gone Bad
- Your system doesn't get to the correct temperature.
- Inaccurate volt range being used by the switch.
- The furnace or AC is unable to operate.
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