Io Hvac Controls SC-ZD-1208 Commercial Zone Damper

Product Description

The IO HVAC CONTROLS SC-ZD-1208 is a modulating zone damper built for commercial HVAC zoning applications. It controls airflow through ductwork by modulating blade position to match varying load demands across multiple zones. The damper measures 12 x 8 inches in duct size and weighs 6.5 pounds, making it suited for medium-capacity commercial duct systems. Licensed HVAC technicians and sheet metal contractors install this damper as part of a variable air volume or zoning control system. Its modulating action, rather than simple open/close operation, allows precise airflow balancing to meet zone-by-zone heating and cooling requirements.

The SC-ZD-1208 is used in commercial zoning systems where multiple zones require independent airflow control. Typical installations include light commercial buildings, multi-zone rooftop unit systems, and duct zoning retrofits where a controller or zone board drives damper positioning through a modulating signal. This damper is appropriate for applications requiring variable airflow rather than binary on/off control, making it a common component in VAV and commercial zoning panel systems.

Key Features

• Modulating operation for precise zone-by-zone airflow control
• 12 x 8 inch duct opening size suits medium commercial duct runs
• Compact footprint at 8.125 x 6.125 x 11.875 inches overall (WxHxD)
• 6.5 pound construction supports secure in-duct mounting
• Designed for integration with commercial zone control panels and VAV systems

Compatibility

Designed as an OEM-style replacement or new-installation modulating zone damper for commercial duct zoning systems requiring a 12 x 8 inch damper opening.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified sheet metal contractor. Disconnect and lock out power to the air handling unit and zone control panel before mounting or wiring the damper. Secure the damper in the duct run according to the manufacturer instructions and verify the control signal wiring matches the zone controller output type before restoring power. Refer to local mechanical codes and the zone control system documentation for wiring and commissioning requirements.

Technical Specifications

• Duct Size: 12 x 8 inches
• Overall Dimensions (WxHxD): 8.125 x 6.125 x 11.875 inches
• Weight: 6.5 pounds
• Operation Type: Modulating
• Application: Commercial

Standard Information

• Brand: IO HVAC CONTROLS
• Manufacturer Part Number: SC-ZD-1208