Lennox 17D75 is a genuine Lennox ECM programmed blower motor engineered for use in high-efficiency residential and light commercial HVAC systems. This 1 HP replacement motor is designed for 5-ton applications and provides variable-speed operation from 600 to 1200 RPM, allowing the system to maintain accurate airflow, improved comfort, and reduced energy consumption.

Built on a standard 48 frame, the motor operates on 208–230 VAC single-phase power at 60 Hz and features a programmed ECM design to ensure proper compatibility with matched Lennox equipment. The horizontal mounting configuration with belly band mounting allows for direct replacement in supported air handlers and furnaces without modification. A durable ball bearing construction helps deliver smooth, quiet operation and long service life.

The 17D75 motor includes a 1/2 inch by 3.92 inch shaft and CCWLE rotation, making it suitable for OEM replacement where exact motor performance and control logic are required. This motor replaces several earlier Lennox part numbers, ensuring correct fit, function, and reliability when servicing or restoring original system performance.

Replacement history includes 27U53, 17D75, 104944-49, 627537-07, and 604253-19.