The Rheem DV Vertical Extension Kit 21DV50-38 is designed for enhancing the venting capabilities of Rheem gas water heaters. This kit includes all necessary components for vertical venting installation, ensuring compliance with safety standards. Constructed from durable materials, it provides reliable performance in various environmental conditions. The extension kit is ideal for installations requiring additional height, improving exhaust gas dispersion and overall efficiency. Suitable for both residential and commercial applications, this kit is essential for optimizing your Rheem water heating system.