Description
This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch. It replaces the part numbers listed below.
An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the proper vacuum for your furnace to flue safely.
Replaces:
11U67
Repair Difficulty Level
Partial list of Model numbers that use this part:
Use Ctrl+F and enter your model number for a quick search.