Io Hvac Controls SC-ZD-1210 Modulating Zone Damper

Product Description

The IO HVAC CONTROLS SC-ZD-1210 is a modulating zone damper designed for commercial HVAC zoning applications. It controls airflow through a duct section by varying blade position across a continuous range of travel, allowing precise zone-by-zone temperature management rather than simple open/close operation. The damper fits a 12 x 10 inch duct opening and weighs 8.7 pounds. Licensed HVAC technicians and sheet metal contractors install this component as part of zoned forced-air systems in light commercial and commercial buildings.

This damper is suited for commercial forced-air zoning systems where modulating control is required to balance airflow across multiple zones. It is typically installed inline within rectangular ductwork and driven by a compatible modulating actuator signal. Applications include multi-zone rooftop unit systems, air handler zoning, and variable-volume commercial comfort systems where zone demand varies throughout the day. Installation in commercial settings is generally performed by licensed HVAC contractors following applicable mechanical codes.

Key Features

• Modulating operation allows continuous blade positioning for precise airflow control
• Sized for 12 x 10 inch duct openings common in commercial installations
• Compact body depth of 11.875 inches suits tight mechanical room installations
• Designed for commercial-grade zoning systems requiring reliable long-term cycling
• Nominal 8.7 pound construction suitable for overhead duct mounting

Compatibility

Designed as an OEM-style modulating zone damper for commercial rectangular duct systems requiring a 12 x 10 inch damper section.

Installation Notes

Installation should be performed by a licensed HVAC technician or sheet metal contractor. Shut down the air handling unit and de-energize all associated control wiring before beginning installation. The damper must be mounted in the correct airflow orientation as indicated on the unit body, and the actuator wiring should be completed per the zone control panel manufacturer wiring diagram. Verify blade operation through the full modulating range before returning the system to service.

Technical Specifications

• Duct Opening Size: 12 x 10 inches
• Body Width: 9.875 inches
• Body Height: 9.125 inches
• Body Depth: 11.875 inches
• Weight: 8.7 pounds

Standard Information

• Brand: IO HVAC CONTROLS
• Manufacturer Part Number: SC-ZD-1210