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Lennox G40UH-24A-070 Air Pressure Switch
The reason for the existence of this type of switch is to sense if the blower fan is running properly. This pressure switch is part of the collection of safety devices in place to keep you safe from harm. A lot of switches may have a reset feature that is manual, which forces the system to be reset physically in order for the HVAC system to continue running.
Signals that the Air Pressure Switch will Fail Soon
- The furnace can not operate at all.
- Wrong voltage being read.
- Your system doesn't achieve the desired temperature when set by the thermostat.
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Before you decide on buying or ordering any Lennox G40UH-24A-070 replacement part, do your due diligence and cross-check the correct model and also make a visual comparison in order to be sure the correct air pressure switch is the one being purchased. Replacing a new air pressure switch is a piece of cake assuming you have the time and have the tools to do it right.
Feel free to download your manual for help.
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