AS 4032.3-2004
Water supply - Valves for the control of hot water supply temperatures - Requirements for field testing, maintenance or replacement of thermostatic mixing valves, tempering valves and end of line temperature control devices
Specifies minimum requirements for field testing, maintenance, and the frequency with which this work shall be conducted, of thermostatic mixing valves, tempering valves and end-of-line temperature-actuated devices.