Description
This is a brand new OEM Trane American Standard upgraded Furnace 2Stage 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:
SWT03159
Repair Difficulty Level:
Partial List of Units that Use This Item:
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