KWC DVS Thermal Disinfection ValveThermal Disinfection Valve from KWC DVS The KWC DVS Thermal Disinfection Valve is essential for preventing biofilm and controlling water borne pathogens in plumbing systems. With simple quarter turn operation and built in non return valves, this valve is ideal for healthcare and public facilities prioritizing water safety. Simple quarter turn operation for user convenience. Built in non return valves to prevent back flow. Effectively controls biofilm