Kohler K-306-KS HiFlow Rite-Temp valve

This HiFlow Rite-Temp valve works behind the scenes to prevent scalding and freezing for a safe, comfortable water supply. The valve features a high-temperature limit stop and an optimal comfort zone, so you can set a maximum high and then find and maintain your desired water temperature. Additionally, the unit has a diaphragm design virtually eliminates freeze-ups from contamination and water debris. Finally, screwdriver stops allow you to turn off the water supply at the valve.