Description
The iO HVAC Controls SD-XXXX is a commercial-grade rectangular auxiliary zone damper assembly, combining a damper and actuator in a single, ready-to-install unit. Designed for flexibility, the SD Series can function as a standalone two-position zone damper or as an auxiliary damper wired to a ZD damper actuator in applications requiring more than one damper per zone. Compatible with virtually any conventional zoning system, this damper delivers reliable airflow control across a wide range of commercial HVAC installations.
Key Features
- Commercial two-position damper — operates as a primary zone damper or auxiliary damper when wired to a ZD damper actuator
- Available in round (6″ to 20″) and rectangular (8″x8″ to 36″x24″) configurations
- Compatible with conventional zoning systems from all major manufacturers
- Orderable without actuator; multiple actuator options available to suit your application
- 5-Year Warranty for long-term peace of mind







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