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Mitsubishi MSZ-GA22VA Air Pressure Switch
The job of an air pressure type switch is to sense if the main blower is actually running. Some particular air pressure switches are constructed with a manual reset, from which the switch will have to be manually reset before the entire HVAC system will continue operating again. This switch is just one of the many indispensable aspects of the whole safety system that is intended to keep you from harm.
Clues that your Pressure Switch is Failing
- HVAC system is unable to operate properly.
- Your system doesn't actually get to the right temp according to the settings on the thermostat.
- Inaccurate voltage range reading.
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