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International Comfort Products NAC224GKA1 Air Pressure Switch
The main function of the switch is to determine whether the blower fan is blowing air. This pressure switch is a very critical piece of all the safety features in today's HVAC systems in place to keep you safe from injury or explosions. Some pressure switches 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.
Warning Signs that the HVAC Air Pressure Switch is in Need of Replacement
- Inaccurate voltage reading.
- Your heating and cooling system can not run.
- The desired temp is rarely fully attained.
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