Description
This is a brand new OEM Trane American Standard upgraded Furnace Air Pressure Switch. This is a furnace pressure switch. It contains two wiring terminals and one hose port. 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:
SWT03970 SWT3970
Repair Difficulty Level:
Partial List of Units that Use This Item:
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