Description
This is a BRAND NEW Trane American Standard 2 Stage Air Pressure Switch. The switch is rated at 1.25" & 2.25" w/c and both switched have two wiring terminals and two hose ports. 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:
SWT02979 SWT2979
Repair Difficulty Level:
Partial List of Units that Use This Item:
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