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Lennox XC14-036 Air Pressure Switch
The main job of the pressure switch is to see if the blower fan is doing what it is supposed to do. This pressure switch is one of the vitally important safety devices designed to keep you from harm. Various air pressure switches are equipped with a manual reset feature, by which you must manually reset it or else the system will cease to function.
Warning Signs that the HVAC Air Pressure Switch will go Bad
- Furnace is unable to ignite the gas.
- The desired indoor temperature seldom fully attained.
- Bad voltage reading from the switch.
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