Description
This is a brand new OEM Rheem Ruud Weather King upgraded Furnace Air Pressure Switch. 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:
PD425140
Repair Difficulty Level:
Partial List of Units that Use This Item:
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