The RHEEM 001995F Header Kit is specifically designed for BR133 and BR133A models, providing essential in/out connections for efficient water flow. This kit includes all necessary components for installation, ensuring a secure and leak-free setup. Constructed from high-quality materials, it meets rigorous industry standards for durability and performance. The header kit is crucial for maintaining optimal water heater functionality, making it a vital part of your RHEEM system. Its precise dimensions and compatibility with specific models ensure a perfect fit for your heating needs.