Lennox 18K77 1/5 HP 208-230V 3-Speed 1075 RPM Blower Motor

The Lennox 18K77 is a 1/5 horsepower blower motor designed for residential HVAC furnace and air handler applications, operating on 208/230 volts single-phase power at 1075 RPM with 3-speed functionality. This motor is manufactured by US Motors under model number K55HXDRC-0005 and features a 48Y frame design with sleeve bearings for reliable operation.

Key Specifications:

• 1.6 amp operating current at 60 Hz
• 1/2 inch diameter shaft with 3 inch length
• CCW rotation from opposite shaft end
• Requires 7.5 MFD @ 370VAC run capacitor (not included)
• Leadless motor design with sleeve bearings
• Motor has mounting arms welded to motor case

This genuine Lennox replacement part replaces previous part number 18K7701 and is compatible with various Lennox, Armstrong, and Ducane furnace and air handler models. The motor provides consistent airflow across three speed settings for optimal comfort and efficiency in residential heating and cooling systems.