{"product_id":"io-hvac-controls-vd-rk-12-vav-diffuser-retrofit-kit-12-inch","title":"Io Hvac Controls vd-rk-12 Vav Diffuser Retrofit Kit 12 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe IO HVAC CONTROLS vd-rk-12 is a VAV diffuser retrofit kit designed for ceiling or wall diffusers with a 12-inch neck diameter. It allows HVAC technicians to add variable air volume damper control to existing diffusers without full replacement. The kit includes mounting screws for a complete installation. This component is used in commercial HVAC zoning systems where airflow regulation at the diffuser level is required. Licensed HVAC technicians and mechanical contractors typically install this kit as part of a VAV controls upgrade or new zoning installation.\u003c\/p\u003e\n\u003cp\u003eThe vd-rk-12 is suited for commercial applications where zone-level airflow control is needed at individual diffuser locations. It fits into retrofit scenarios where existing ductwork and diffusers are already in place and a full system overhaul is not practical. The kit provides a cost-effective path to adding VAV damper functionality to a diffuser with a 12-inch neck without requiring duct modification or diffuser replacement.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for diffusers with a 12-inch neck diameter\u003c\/li\u003e\n  \u003cli\u003eRetrofit design installs into existing diffusers without duct modification\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting screws for a self-contained installation\u003c\/li\u003e\n  \u003cli\u003eSuited for commercial VAV zoning applications\u003c\/li\u003e\n  \u003cli\u003eEnables damper control at the diffuser level in variable air volume systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style retrofit damper kit for commercial VAV diffusers with a 12-inch neck opening.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician familiar with commercial VAV systems. Shut down and lock out the air handling unit before working at the diffuser. Verify the diffuser neck diameter matches 12 inches before beginning installation. Follow local mechanical codes and the system controls manufacturer wiring guidelines when integrating the damper actuator into the VAV controller.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Size\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Commercial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Hardware\u003c\/strong\u003e: Mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: IO HVAC CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: vd-rk-12\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IO HVAC CONTROLS","offers":[{"title":"Default Title","offer_id":51267895492914,"sku":"VD-RK-12","price":448.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308910780.jpg?v=1780693678","url":"https:\/\/voomisupply.com\/products\/io-hvac-controls-vd-rk-12-vav-diffuser-retrofit-kit-12-inch","provider":"Voomi Supply","version":"1.0","type":"link"}