Used in many environments in which both hot and cold water needs to be blended and temperature-controlled, mixing valves have made many a plumber’s life a whole lot easier. Thermostatic mixing valves are often used to maintain constant bath and shower water temperatures, preventing freezing and scalding. Plumbers aren’t the only ones who have installed or maintained a mixing valve, however. Engineers, contractors, HVAC specialists, restoration experts and committed DIYers have all found themselves relying on a mixing valve in their plumbing, heating or cooling system. Shop Zoro’s entire selection of valves, including ball valves, solenoid valves, relief valves and more.