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Lennox G20 Air Pressure Switch
The actual job of the air pressure switch is to sense if the air blower is on and running. This is one of many other aspects of the whole safety system that is intended to keep your family safe and sound. Some particular air pressure switches are equipped with a manual reset feature, which makes you reset it by hand before you can continue using the system.
Symptoms that the Air Pressure Switch will go Bad
- The proper temperature in the house is rarely attained.
- Inaccurate voltage reading from the switch.
- HVAC system refuses to function.
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