ANSI/ASSE (Plumbing) 1017-2009
Temperature Actuated Mixing Valves for Hot Water Distribution Systems are used for controlling in-line water temperatures in domestic potable hot water systems and shall be installed at the hot water source. They are not intended for end use application. Temperature Actuated Mixing Valves for Hot Water Distribution Systems shall consist of a hot water inlet connection, a cold water inlet connection and a mixed water outlet connection plus a temperature sensing and controlling element and a means for adjusting the outlet water temperature.