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The Zone Control Damper ZD20X8TZ delivers precise zoning for HVAC systems, balancing airflow across zones with dependable operation. This Rectangular, Parallel Blade damper fits a 20 x 8 inch duct and uses extruded aluminum blades for durable, long-lasting performance.
Designed for reliability, it features a fail-safe, normally open operation and a 24V AC motor. The unit includes a mechanical visual position indicator and LED indication for easy status checks, while the side-mount motor simplifies installation and service in tight spaces.
- Type: Rectangular, Parallel Blade
- Duct Size: 20" x 8"
- Blade Material: Extruded Aluminum
- Motor: 24 V AC, 60 Hz, 8 VA; Torque 71 in-oz
- Operation: Power Closed, Spring Open; Fail Safe; Normally Open
- Timing: 30 seconds (Power Open) / 10 seconds (Spring Return)
- Mounting: Side motor
- Wiring: M1 (Power), M6 (Common), M4 (Optional LED Indication)
- Temperature Range: 40–140 F
- Max Static Pressure: 1 inch WC
- Pressure Drop: < 0.033 inch WC at 800 FPM
Ideal for HVAC zoning applications, this damper provides smooth, responsive control, even under demanding airflow requirements, making it a trusted choice for residential and commercial installations.
Specifications
| Type | Rectangular, Parallel Blade |
|---|---|
| Includes | Spring Return, Mechanical Visual Position Indicator, Fail Safe, Normally Open Operation |
| Duct Size | 20 Inch x 8 Inch |
| Blade Material | Extruded Aluminum |