Honeywell ZD18X12TZ 24V Automatic Rectangular Damper 18X12 Inch

Features:

Mechanical Visual Position Indicator for Damper Status
Solid Construction Using Extruded Aluminum Frame and Blades
Parallel Blade Design for Low Leakage Performance
Simple, Easy to Wire, 2-Wire Installation
Reliable, Strong
Damper Can be Installed in any Orientation (Mounting Side Can be on Either the Bottom or the Side of the Duct)

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: ZD18X12TZ
Product Type: Zone Control Damper
Duct Size: 18" x 12"
Blade Material: Extruded Aluminum
Motor Rating: 24 VAC @ 60 Hz 8 Vp
Motor Torque Rating: 71 Inch-Ounce
Temperature Rating: 40 to 140 Degrees F
Pressure Drop: Less than 0.0329" WC @ 800 Ft per Minute
Motor Angular Rotation: 90 Degrees
Maximum Static Pressure Rating: 1" WC
Motor Mounting Type: Side
Motor Type Power: Closed, Spring Open
Motor Timing: 30 Second (Power Open)/10 Second (Spring Return)
Dimensions: 20.7" x 14.65" x 15.05"
Weight: 9.63 lb.
Includes: Spring Return, Mechanical Visual Position Indicator, Fail Safe, Normally Open Operation