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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
the cartridge should be replaced every 24 months
To ensure proper torque and motor protection
With a 3/8" NPT connection and a substantial 3 Cv flow coefficient
this genuine OEM part maintains the operational integrity of the HVAC control system
Lennox 39H23 Coupler 320074-702 the cartridge should be replacedThe Lennox 39H23 Damper Coupler is a critical OEM replacement part engineered for commercial and residential HVAC ventilation systems. As a right hand blade damper coupling, this component ensures the mechanical synchronization between the damper blades and the actuator shaft. Constructed from high grade, durable nylon, the 39H23 is designed to withstand the high cycle demands of modern economizers and air handling units without deforming or slipping.
