Watts LFN170-M3 - 2" X 1-1/2" x 2" Thermostatic Mixing Valve
Watts 0559115 LFMMV-US-M1-12 Lead Free Thermostatic Mixing Valve with 1/2" Solder Union End Connections and Temperature Range 80-120 F | Watts 0559115 - LFMMV-US-M1-12 Lead Free Thermostatic Mixing Valve with 1/2" Solder
Watts Lf1170 1/2-in ID 1/2-in OD Copper Mixing Valve in the Tub & Shower Valves department at Lowes.com