Thermostatic Mixing Valve with 1/2 NPT Male Connections,Water Temperature Control Valve,Solid Brass - Amazon.com
Thermostatic Mixing Valve, Shower Mixing Valve with G1/2"(DN15) Male Connections, Brass Water Thermostatic Temperature Control Valve - Amazon.com
What is a Thermostatic Valve? | KAS
1/2" Mini Thermostatic Valve with 3 Way Diverter 1-117 - Phylrich
TreMax Thermostatic Mixing Valve,Hot Water and Cold Water Mixing Valve, With 1/2“G to 1/2'' NPT Connection Adaptors, Water Temperature Control Valve,Fahrenheit Scale Mark, Solid Brass (Grey) - Amazon.com