Description
The Trane MOT14979 is an OEM electronically commutated motor (ECM) rated at 1/3 HP, engineered as a direct replacement for compatible Trane HVAC systems. ECM technology provides significant advantages over standard PSC motors, including variable-speed operation, reduced energy consumption, and quieter performance — making it an ideal choice for demanding residential and light commercial applications.
Key Features
- OEM Trane replacement motor for assured fit and compatibility
- Electronically Commutated Motor (ECM) technology for superior energy efficiency
- 1/3 HP output rating
- Variable-speed capability for precise airflow and comfort control
- Reduced electrical consumption compared to standard PSC motors
- Quieter operation for improved occupant comfort
- Built to Trane’s stringent quality and durability standards
Why Choose an ECM Motor?
ECM motors use a built-in microprocessor and permanent magnet rotor to continuously adjust motor speed in response to system demand. This results in more consistent airflow, lower utility bills, and extended equipment life. Replacing a failed motor with the correct OEM part ensures your system performs as designed and maintains warranty compliance.
Application
- Designed for use in compatible Trane air handlers, furnaces, and fan coil units
- Intended as a direct OEM replacement — always verify compatibility with your specific Trane model before ordering







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