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The IO HVAC CONTROLS SD-2410 is a round auxiliary zone damper designed for use in forced-air HVAC zoning systems. It controls airflow through individual zones by opening and closing on demand from a zone control board or thermostat signal. The SD-2410 is sized for a 24-inch by 10-inch duct opening, making it well suited for larger residential or light commercial duct runs where precise airflow control is required. Licensed HVAC technicians and zoning specialists install this type of damper as part of a multi-zone system to balance air distribution across different areas of a building.
The SD-2410 is used in residential and light commercial forced-air zoning applications. It installs inline within a rectangular duct section rated for the 24-inch by 10-inch opening. This damper functions as an auxiliary zone damper, meaning it is controlled by a separate zone controller or damper panel rather than operating as a standalone unit. It is appropriate for new zoning installations as well as retrofits where additional zones are being added to an existing forced-air system.
Designed as an OEM-style auxiliary zone damper replacement or new-installation component for forced-air HVAC zoning systems requiring a 24-inch by 10-inch damper.
Installation should be performed by a licensed HVAC technician familiar with forced-air zoning systems. Shut down the air handler and disconnect power to the zone control panel before installing or wiring the damper. The damper must be wired to a compatible zone controller in accordance with the controller manufacturer's wiring diagram and applicable local mechanical codes. Verify duct dimensions at the installation point before cutting or modifying ductwork.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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