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Lennox G40DF-36A-070 Air Pressure Switch
The primary function of the air pressure switch is to sense if the air blower is on and running. This pressure switch is part of all the safety features in today's HVAC systems that is in place to keep you safe and keep your family safe. A lot of switches are constructed with a manual reset, which means you have to physically reset it before you can continue using the system.
Red Flags that your System Pressure Switch is Going Bad
- Bad voltage being used by the switch.
- The expected temperature indoors seldom achieved.
- The blower fan will not operate properly.
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