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LG LP1213GXR Air Pressure Switch
The main job of the pressure switch is to determine whether or not the primary air circulator is on and running. This switch is part of a small, but important collection of devices designed to keep everyone in the house safe. A lot of switches are programmed with a manual reset, which means you have to physically reset it before the entire HVAC system will continue operating again.
Red Flags that your Switch is Starting to Fail
- HVAC system does not reach desired indoor temperature.
- Your furnace will not ignite the gas.
- Incorrect volt range being read from the pressure switch.
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