Thermostatic Water Mixing Valve Assembly, 15GPM, 1/2" PipingThermostatic Water Mixing Valve Assembly, 15GPM, 1 2" Piping These valves are designed to control the mixing of hot and cold water and deliver it at a constant, pre set temperature. The valve is equipped with a union end, loose key, angle stop, check valves with built in strainers and vacuum breaker; Control valve is set to deliver water at temperatures up to 115 degrees Fahrenheit. Failure of the cold water supply will cause the hot water supply to