The Rheem RTG20326 Brass Service Valves are designed specifically for tankless water heaters, providing reliable and efficient hot water solutions. Made from durable brass material, these valves are built to last and withstand high water pressure. With the trusted Rheem brand and model RTG20326, customers can be sure of quality and compatibility with their tankless water heater systems. Ideal for home improvement projects involving heating and cooling systems, these valves offer a convenient and effective way to regulate water flow for added convenience and peace of mind.