Description
This is a BRAND NEW OEM Honeywell Furnace Air Pressure Switch. The Part # is IS20101-6124 (also 638251). The pressure rating is 0.67" wc and it has two wiring terminals and two hose ports.
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:
638251 IS20101-6124
Repair Difficulty Level:
Partial List of Units that Use This Item:
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