IO Hvac Controls Zone Control Panels

Overview

The IO HVAC CONTROLS VD-RK-14 is a variable air volume diffuser retrofit kit sized for 14-inch neck diffusers. It provides the hardware and mounting screws needed to convert or upgrade an existing ceiling diffuser into a VAV-compatible assembly without replacing the entire diffuser body. HVAC technicians working on light commercial or commercial VAV systems install this kit during zone control retrofits or system balancing projects. The included mounting screws support a complete, self-contained installation, reducing trips to the supply house and keeping the retrofit straightforward. This kit is suited for VAV system retrofits in commercial and light commercial applications where existing diffusers are being upgraded to support variable air volume zone control. It is designed for 14-inch neck diffusers and is typically installed by licensed HVAC technicians as part of a broader VAV controls upgrade. The kit reduces the need to replace full diffuser assemblies, making it a practical choice for occupied-building retrofits where minimizing ceiling work is a priority. Key Features Sized specifically for 14-inch neck diffusers for a direct retrofit fit Includes mounting screws for a complete, self-contained installation Supports VAV zone control upgrades without full diffuser replacement Compact package dimensions of 18 x 10 x 18 inches for manageable jobsite handling Compatibility Designed as an OEM-style retrofit solution for VAV diffuser assemblies with a 14-inch neck…