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International Comfort Products NHP242GKA1 Air Pressure Switch
The actual job of an air pressure type switch is to sense if the blower fan is running. This switch is just one of many hardware devices made to keep you from harm. A lot of switches are constructed with a manual reset, by which you must manually reset it in order for the system to begin normal operations again.
How is it Known when the HVAC Air Pressure Switch has Failed
- Your furnace is unable to operate at all.
- Bad voltage range reading from the switch.
- The proper indoor temperature seldom fully achieved.
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