Trane MOT3139 Motor 321894-709 NPT Compatibility: Standard 1-1/4" NPT

NPT Compatibility: Standard 1-1/4" NPT inlet and outlet connections allow for seamless integration into existing pipe schedules

Industrial-Grade Response: Engineered to provide rapid response times to pressure fluctuations

By replacing worn seals

this Lennox expansion valve ensures the system operates at peak thermodynamic efficiency

Trane MOT3139 Motor 321894-709 NPT Compatibility: Standard 1-1/4" NPTThe Trane MOT3139 is a high performance, OEM replacement motor designed specifically for draft induction and combustion air applications in residential and light commercial HVAC systems. This 115V single phase motor operates at a high speed 3000 RPM with a clockwise (CW) rotation, ensuring the precise static pressure required for safe heat exchanger venting and efficient ignition cycles. Engineering specifications for the MOT3139 include a robust 3. 3