Thermostatic water mixing valve, DURA-trol® solid bimetal thermostat directly linked to valve porting to control the intake of hot and cold water and compensate for supply temperature or pressure fluctuations. DURA-trol® is highly responsive and cannot be damaged by extremes in temperature. Integral combination checkstops, Internal parts of lead free bronze, lead free brass, and stainless steel, Integral wall support, Temperature selector dial, HOT-COLD with directional indicators.