This versatile NSF 61, ASSE 1017, ASSE1070 mixing valve provides the ultimate performance for domestic hot water applications. The 5120 Series ASSE1017 certification allows for domestic hot water storage at temperatures high enough to increase the effective storage capacity of a water heater, kill harmful bacteria and still be delivered at a safe 120 F or less. The ASSE 1070 listing allows for point of use applications within homes, hospitals, schools, nursing homes, public facilities, etc. where a 1070 valve is required.