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International Comfort Products N9MP2100J20C2 Air Pressure Switch
The job of the air pressure switch is to determine whether the blower is running. Various air pressure switches are designed with a reset that is manual instead of automatic, by which you must manually reset it before the entire HVAC system will continue operating again. This switch is one of the key facets of the HVAC safety checks that are dedicated to keep you from harm.
Clues that your Switch is Beginning to Go Bad
- The expected temperature is almost never achieved.
- The blower will not function properly.
- Bad voltage being used by the switch.
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