Lennox 21L90 Motor R-410A 5°F differential ensures stable environment

5°F differential ensures stable environment control for sensitive equipment

Integrated Vent Limiting: Features an factory-installed 12A49 vent limiter for indoor installations

Its direct-mount design

If you hear a high-pitched humming or grinding noise from the pump motor

For contractors performing Trane furnace part replacement

Lennox 21L90 Motor R-410A 5°F differential ensures stable environmentThe Lennox 21L90 is a high performance, direct replacement motor engineered for residential furnaces and air handlers requiring a 115V 1 5HP 1075RPM configuration. As a genuine PSC (Permanent Split Capacitor) motor, it provides the multi speed versatility necessary for precise airflow management in Lennox, Armstrong, and Ducane units. This 48 frame blower motor features a 3 speed design, allowing technicians to optimize system static pressure and CFM