identified by model number 421-30

eliminating the need to source individual internal components

one-box solution for solenoid valve maintenance

System Protection: Filters out metallic shavings

This Fasco D1125 is a PSC motor that typically requires an external 4 Mfd 370V capacitor for operation

Lennox 77W90 Damper Motor 340793-762 identified by model number 421-30The Lennox 77W90 is a high performance damper actuator motor engineered specifically for outdoor air regulation and ventilation control in residential and commercial HVAC systems. This 24V damper motor operates on both 24VAC and 24VDC, providing 4. 5 VA of power to ensure precise positioning of outdoor air dampers. As a genuine HVAC replacement part, the 77W90 (102691 01) is critical for maintaining optimal indoor air quality and system energy