{"product_id":"trane-mot21481-genuine-oem-replacement-motor-id-3-4-hp-208-230-1-programmed-ecm-ct","title":"Trane MOT21481 – Genuine OEM Replacement Motor; ID 3\/4 HP 208-230\/1, PROGRAMMED ECM CT","description":"\u003cdiv class=\"pl-4 py-2 text-brand-gray-400 bg-brand-gray-200 sm:bg-brand-gray-100\"\u003e\n\u003ch1 data-pm-slice=\"1 3 []\"\u003eTrane MOT21481 – Genuine OEM Replacement Motor; ID 3\/4 HP 208-230\/1, PROGRAMMED ECM CT\u003c\/h1\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003eThe Trane MOT21481 is a high-performance, programmed Electronically Commutated Motor (ECM) with Constant Torque technology, engineered specifically for Trane and American Standard heating, air conditioning, and air handler systems. As a vital component of your equipment's indoor blower assembly, this motor plays a critical role in system safety and performance by facilitating the smooth and reliable operation required to push treated air through your system. Maintaining a strong and properly functioning blower motor is essential for balanced temperature regulation, preventions against evaporator coil freeze-ups, and the overall efficiency of your system.\u003c\/p\u003e\n\u003cp\u003eOperating on a 208-230V electrical configuration, this powerful 3\/4 HP motor produces up to 1050 RPM while maintaining constant torque. Opting for a Genuine OEM Trane replacement part matters immensely because it guarantees exact electrical compatibility and a precision fit within your existing 48-frame housing. This precise tolerance ensures no unwanted vibrations, significantly reduces bearing wear, and completely eliminates the guesswork or modification demands often required when resorting to generic aftermarket motors.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAirflow Management\u003c\/strong\u003e: Features advanced programmed ECM Constant Torque technology for precise control, delivering highly optimized and consistent system performance across varying load conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine OEM Reliability\u003c\/strong\u003e: Factory-engineered and tested by Trane to meet strict performance and durability standards, extending the overall lifespan of your unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect-Fit Design\u003c\/strong\u003e: Designed with a standard 48-frame body to fit perfectly into belly-band or standard equipment mounts without aggressive modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Build\u003c\/strong\u003e: Built to convert energy reliably and efficiently while maintaining quiet operation inside the home.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: MOT21481 (Replaces MOT16685)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Trane \/ American Standard (Genuine OEM)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e: Programmed ECM Constant Torque Motor with Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e: 208-230V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHP \/ RPM\u003c\/strong\u003e: 3\/4 HP @ 1050 RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase \/ Hertz\u003c\/strong\u003e: Single-phase (1PH) \/ 50\/60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRotation\u003c\/strong\u003e: Dependent on factory programming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e: ~14.0 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eHVAC Depot Pro Tip: Power Down Before Connecting\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen installing a variable-speed or constant torque ECM motor like the MOT21481, never plug or unplug the control harness while the system has high-voltage power applied. Doing so can create a voltage arc that permanently destroys the sensitive control module attached to the back of the motor. Always verify that both line voltage and 24V thermostat control power are fully disconnected before handling the electrical pins.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe MOT21481 is a direct OEM replacement for the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Numbers\u003c\/strong\u003e: MOT16685\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAftermarket\/Fasco\u003c\/strong\u003e: Because this is a programmed constant torque ECM motor that communicates directly with specific system boards, using universal or aftermarket alternatives is highly discouraged.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBelly Band Setup\u003c\/strong\u003e: This standard 48-frame setup fits many compatible Trane and American Standard furnace, fan coil, and air handler cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVerify Specific Model\u003c\/strong\u003e: Consult your specific indoor equipment cabinet sticker to verify compatibility with a 48-frame 3\/4 HP motor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":52451512385899,"sku":"MOT21481","price":478.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/MOT21481_121e1d42-9d82-4d0b-9b16-60d0606845d4.jpg?v=1774988608","url":"https:\/\/tophvacparts.com\/products\/trane-mot21481-genuine-oem-replacement-motor-id-3-4-hp-208-230-1-programmed-ecm-ct","provider":"HVAC Parts and Equipment Depot: Homeowners \u0026 Contractors Welcome | Plano, TX","version":"1.0","type":"link"}