Description
This is a brand new OEM Reznor upgraded Hanging Unit Heater Furnace Air Pressure Switch. It is a direct replacement for Reznor. It replaces the part numbers listed below.
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:
90439802R 90439802
Repair Difficulty Level:
Partial List of Units that Use This Item:
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