Resideo ZD20X24TZ Damper 30067439-890 also identified as Lennox 27K6101

also identified as Lennox 27K6101

Secure Pneumatic Interface: Standard 1/4" barb connection ensures a leak-free fit with existing pressure switch tubing

mount the unit using the existing bracket holes

Replacing the entire assembly is recommended over cleaning to ensure a consistent micro-amp signal

The R0156744 draft inducer is a direct cross-reference for part numbers D98686-07

Resideo ZD20X24TZ Damper 30067439-890 also identified as Lennox 27K6101The Resideo ZD20X24TZ is a heavy duty parallel blade zone damper designed for precision airflow control in multi zone HVAC systems. Building on the reliable design of the legacy ZDB 20X24, this 20 inch wide by 24 inch high damper features a synchronous motor mounted on the 24 inch side. Operating on a standard 24Vac signal, the actuator utilizes a power closed spring return open configuration, ensuring the zone defaults to an open state during power