The Horizontal Termination Kit RTG-53 is designed for use with Rheem tankless water heaters, providing a reliable solution for venting exhaust gases. This kit includes components for both 3-inch and 5-inch venting systems, ensuring compatibility with various installations. Constructed from high-quality materials, it is built to withstand harsh environmental conditions while maintaining optimal performance. The kit meets ANSI and UL standards, ensuring safety and compliance in residential and commercial applications. Ideal for efficient venting, this kit enhances the overall functionality of Rheem water heating systems.