Package Include: 1 x hot isolation valves, 1 x cold isolation valves, 1 x pressure relief valve. Easy to Use: The 3/4-inch IPS isolator tankless water heater service valves, with a 500wog rating, feature colored handles for effortless identification of hot and cold valves. The integrated drain valve comes with a brass safety cap for convenient maintenance, and the full-port ball valve ensures optimal flow rate. Material: The components are made of certified lead-free brass, complying with all federal and state regulations for lead content in potable water system components. Additionally, the water and gas pipes bear CSA certification, attesting to their authenticity. Widely Use: The tankless kit is compatible with all 3/4-inch sizes, making it suitable for most U.S. residential applications, as well as both residential and commercial gas tankless water heater brands, such as Noritz, Rinnai, Rheem, Takagi, Navien and so on. Good Service: We strive to deliver excellent service that exceeds your expectations. Your satisfaction is our utmost priority, and we are pleased to offer superior products. LIULO TOOL 3/4 Inch Water Heater Service Valve Kit, with Pressure Relief Valve