The Rheem 8 in. 7 Units Back to Back Direct Vent Header Kit SP20914F is designed for efficient venting of multiple water heaters. This kit includes all necessary components for a seamless installation, ensuring compliance with industry standards. Constructed from high-quality materials, it guarantees durability and reliability in various applications. The kit's design allows for optimal airflow and venting efficiency, making it ideal for commercial and residential settings. This header kit is essential for anyone looking to enhance the performance and safety of their water heating systems.