The ZD is a power close and spring open damper. It has a 24-volt motor used to control circulating air in HVAC systems and used when a normally-open damper is required. The ZD is typically used with the TrueZONE and other electronic zoning systems.
Honeywell Dampers
Commercial/Residential
TrueZONE™ Zone Dampers
Bottom Mount
Mechanical visual position indicator for damper status.
Solid construction using extruded aluminum frame and blades.
Parallel blade design for low leakage performance.
Honeywell Home TrueZONE Residential Damper, Series: ZD Series, 10 in H x 14 in W Size, Rectangle Shape, 24 VAC, 0.32 A, 90 deg Rotation, 30 s Timing, Parallel Blade Action, Power Open/Spring Closed Motor, M1-Power/M6-Common/M4-LED Indication Terminal Electrical Connections, 32 to 120 deg F, Aluminum, Import