Thermostatic Mixing Valve, 10 GPMDesigned to mix hot and cold water Modular brass design with internal check stops Wax based thermostat technology for fast response time Oversized valve seals resist failures caused by foreign matter Proven highly reliable temperature control Features the lowest pressure drop in the industry Smallest TMV's in the industry, taking up less room under cabinetry Designed to work with hard and soft water quality Features cold water bypass and hot water