This 3/4 inch HydroGuard (R) lead free under the counter thermostatic tempering valve is designed for lavatory applications where the temperature of hot water must be controlled for safe, economic use. It features a rugged brass body, union sweat connections, lock-in handle mechanism, paraffin-based actuator, and integral check valves with inlet screens to prevent cross-flow and contamination. The thermostatic element ensures optimal, consistent performance over a wide range of temperatures. The temperature operating range is 80 to 120 degrees F (27 to 49 degrees C) and the maximum operating pressure is 125 PSI (862 kPa).