Resideo ZD22X6TZ Damper 321894-709 Always verify the 12-inch blower

Always verify the 12-inch blower diameter and mounting configuration against your existing equipment tags

Verified Compatibility: Explicitly engineered for Copeland 4D model compressors using demand-based injection logic

The Siemens Building Technology 599-10309 Valve is a professional-grade 3/4 inch NPT ball valve engineered for precise equal percentage flow control in demanding HVACR applications

Exact Compatibility: Replaces and matches the specifications of the P100DA-2C for simplified inventory management

5-inch diameter moisture-resistant can

Resideo ZD22X6TZ Damper 321894-709 Always verify the 12-inch blowerThe Resideo ZD22X6TZ is a high performance 22" Wide X 6" High Parallel Blade Zone Damper designed for contractors who require precise airflow management in multizone HVAC systems. Built with a rugged extruded aluminum frame and blades, this rectangular damper features Kevlar gearing that significantly reduces mechanical wear compared to standard plastic gears. The integrated 24Vac synchronous motor is mounted on the 6" side, providing a Power Closed