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Lennox 13HPD-024 Air Pressure Switch
The main function of the switch is to determine whether the air blower is actually running. A lot of switches are programmed with a manual reset, which means you have to physically reset it before you can continue using the system. This switch is just one of many mechanisms designed to stop injuries or explosions.
How to Know when the System Pressure Switch is Beginning to Go
- The right indoor temperature is rarely fully attained.
- Incorrect voltage running through the pressure switch.
- The furnace is unable to run.
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