Resideo ZD24X20TZ Damper 321894-709 Industrial Durability: Rated for a

Industrial Durability: Rated for a 200

Measuring 62 inches in length

this thermal fuse switch ensures reliable circuit interruption when the plenum temperature exceeds designated safety thresholds

The BX80 has an 83-inch outside diameter (OD)

Resideo ZD24X20TZ Damper 321894-709 Industrial Durability: Rated for aThe Resideo ZD24X20TZ is a heavy duty, rectangular zone damper engineered for professional HVAC zoning systems. This 24" wide by 20" high unit features parallel blade construction, utilizing extruded aluminum for the frame and blades to ensure rigid structural integrity and low leakage performance. Designed as a power closed, spring return open component, the ZD24X20TZ operates on a standard 24Vac synchronous motor, providing a fail safe "normally