Resideo ZD22X16TZ Damper 321702-401 Key Benefits Hard Shutoff Design:

Key Benefits Hard Shutoff Design: Prevents refrigerant bleed-through after system shutdown

and mechanical performance

Key Benefits for HVACR Contractors: Enhanced Visibility: The red line indicator magnifies the liquid level

Can this filter replace a standard MERV 16 filter

Does this contactor require an external surge protector

Resideo ZD22X16TZ Damper 321702-401 Key Benefits Hard Shutoff Design:The Resideo ZD22X16TZ is a professional grade parallel blade zone damper designed for precision airflow control in residential and light commercial forced air systems. Built with a heavy duty extruded aluminum frame and blades, this 22x16 rectangular damper ensures structural integrity and low leakage performance. It utilizes a 24Vac synchronous motor mounted on the 16 inch side, operating in a power closed spring return open configuration to maintain