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Lennox XP16-036 Air Pressure Switch
The job of the air pressure switch is to sense whether the air blower is actually running. A lot of switches have a manual reset feature, which, of course, means that it would have to be reset by hand or the entire system will not run. This switch is one of many other hardware devices made to stop injuries or explosions.
Important Signs that the Air Pressure Switch is About to go Bad
- System does not get to the correct temperature when set by the thermostat.
- Wrong electrical voltage being read from the pressure switch.
- The blower will not run.
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