The Rheem RTG20326 Brass Service Valves are designed specifically for tankless water heaters, ensuring a reliable and efficient supply of hot water. Made from durable brass material, these valves are built to last and withstand high temperatures and pressure. With the Rheem brand name backing them, you can trust that these valves will seamlessly integrate with your tankless water heater system for a smooth and hassle-free operation. Upgrade your home heating and cooling system with these high-quality brass service valves from Rheem.