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The Trane SWT3925 is an air pressure switch suited for Trane and American Standard furnaces. It ensures the inducer motor runs at the right speed and creates the required vacuum for safe venting. This switch includes two wiring terminals and a single hose port.
The Trane SWT3925 guarantees proper furnace operation by monitoring air pressure levels.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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