Lennox 21L90 Motor R-410A Integrated Vent Limiting: Features an

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

allowing technicians to field-set the relief point to job-site specifications using the calibrated adjustment scale

facilitating streamlined integration into existing commercial or industrial boiler systems

Does this kit include the check valve springs

For contractors performing Trane furnace part replacement

Lennox 21L90 Motor R-410A Integrated Vent Limiting: Features anThe 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