Description
This is a Brand New Trane / American Standard control pressure switch. It replaces the old 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:
DB34-00071B DB3400071B
Repair Difficulty Level:
Partial List of Units that Use This Item:
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