Trane SWT3937 Switch 319847-401 Enhanced Compressor Protection: Prevents liquid

Enhanced Compressor Protection: Prevents liquid floodback into the suction line

While primarily found in various Voyager and Precedent rooftop units

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minimizing vibration stress on the piping

This 3-wire power open/power closed damper is compatible with most standard 24Vac zoning panels

Trane SWT3937 Switch 319847-401 Enhanced Compressor Protection: Prevents liquidThe Trane SWT3937 is a precision engineered thermal limit switch designed for critical temperature regulation in HVAC and light commercial applications. This OEM thermal switch features a reliable 125F open and 95F close threshold, serving as a primary safety control to monitor airstream temperatures and prevent overheating conditions. Built with an SPST contact arrangement and an enclosed disc design, the SWT3937 ensures consistent performance with a