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International Comfort Products PH5548AKA1 Air Pressure Switch
The main function of an air pressure type switch is to sense whether the blower fan is blowing air. A lot of switches may have a manual reset, which forces the system to be reset physically before you can continue using the system. This is one of the critical hardware devices made to stop injuries or explosions.
Symptoms that the Air Pressure Switch is Starting to Fail
- The blower can not run correctly.
- The expected indoor temperature is never achieved.
- Incorrect volt reading.
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