Features: Ensures simple and secure connection to your tankless water heater with this Isolation Valves set, featuring easy to operate valves for efficient maintenance and control. This set includes quality brass valves with a large flowing capacity, ensuring continuous hot water supply without obstruction, thanks to its full bores Valves design. Suitable for homeowners and professional installers looking for a reliable solution to service , , , and tankless water heaters. The Small design of these service installation valves allows for easy access and installation in tight spaces, perfect for both new constructions and home Renovations projects. Enhances the longevity and performances of your tankless water system with our isolation valves, complete with a pressure relief Valves for added safety and peace. Specifications: Material: brass Size: about 40x77mm/1.57x3.03inch Thread: 1/2 Package Includes: 1xTankless Water Heater Valves note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.