Description
This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 93W89 & the Honeywell # is 9370DO-BS-0047. It is rated at 0.75" W/C PF. Switch has 2 hose ports and 2 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:
9370DO-BS-0047
Repair Difficulty Level:
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