Description
This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane furnace air pressure switch. It is rated at -.68" w/c and has two wiring terminals and one hose port. Thanks for looking and good luck!
Function:
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 Old Part #s:
9371VO-HS-0143
Repair Difficulty Level:
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