Description
This is a BRAND NEW Intertherm/Nordyne/Miller Air Pressure Switch! The Intertherm/Nordyne part # is 632453 (also 9371DO-OS-0002). Switch is rated at -0.20" w/c. There are two hose ports and two wiring terminals.
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:
9371DO-OS-0002
Repair Difficulty Level:
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