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Lennox XP14-030 Air Pressure Switch
The job of the switch is to sense if the air blower is on and running. Some pressure switches are designed with a reset that is manual instead of automatic, which means it will have to be manually reset before the system will continue its normal operation. This is just one of many mechanisms designed to keep you from harm.
Red Flags that your HVAC Air Pressure Switch is Starting to Go Bad
- Incorrect volt reading from the switch.
- Furnace won't ignite the gas.
- The right temperature in the house is never reached.
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