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International Comfort Products VNK050F12A1 Air Pressure Switch
The main function of the switch is to determine whether or not the blower is running. This is part of a small, but important collection of facets of the HVAC safety checks that are dedicated to keep you from harm. The majority of pressure switches are constructed with a manual reset, by which you must manually reset it or the entire system will not run.
Signals that the Air Pressure Switch is Beginning to Go Bad
- Inaccurate volt range running through the switch.
- The proper temp is hardly ever reached.
- The furnace can not ignite.
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