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The IO HVAC CONTROLS SD-2220 is a 22" x 20" Auxiliary Zone Damper or 2 Position Damper. This rectangular damper is designed for commercial applications. It provides effective zone control, optimizing HVAC system performance.
The SD-2220 damper offers precise air flow management for customized comfort and energy savings in commercial HVAC systems.
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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