Easy-install design facilitates rapid field replacement during routine fire damper inspections

necessitating a filter-drier replacement to prevent acid formation and compressor damage

You may hear the inducer motor run

providing superior heat transfer compared to wrap-around alternatives

Resideo ZD22X18TZ Damper R-407A Easy-install design facilitates rapid fieldThe Resideo ZD22X18TZ is a professional grade parallel blade zone damper designed for precision airflow control in multi zone HVAC systems. Constructed with a heavy duty galvanized steel frame, this 22" W x 18" H unit utilizes a synchronous motor mounted on the 18 inch side for reliable operation under high static pressure conditions. As a power closed spring return open model, it ensures air delivery remains uninhibited in the event of a power loss,