The iO HVAC Controls VD-RK-SD Series Return Kit adapts a VD VAV supply diffuser into a side-discharge return-air path, giving commercial HVAC installers a clean, matched way to handle return air in VAV zoning systems.

Key Features & Benefits

• Side-discharge configuration — routes return air to the side for tight or obstructed ceiling spaces.
• Matched VD diffuser fit — pairs directly with iO VD VAV supply diffusers for a uniform look.
• Commercial-grade build — dependable performance for professional VAV installations.

Ideal For

Commercial VAV zoning installations that need a reliable side-discharge return-air solution to pair with VD supply diffusers.