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Industrial-Grade Build: Features a resilient steel impeller and shaded pole motor designed for the corrosive environment of flue gas exhaust
interference-fit connection between the shaft and the inner race of the bearing
This is a factory-spec replacement designed to the exact 16-inch class tolerances of the original 218731301 component
For technicians performing a Trane expansion valve replacement
Trane SWT3246 Pressure switch 320734-701 Industrial-Grade Build: Features a resilientFor field technicians and contractors managing critical furnace diagnostics, the Trane SWT3246 Pressure Switch is the direct OEM replacement engineered for precise combustion air monitoring. This single pole single throw (SPST) switch is factory calibrated with a high accuracy 1. 15" WC set point, ensuring the inducer motor generates the necessary vacuum before allowing the ignition sequence to proceed. Designed with a standard 1 4" barb connection,
