Definitions for "PRESSURE BALANCE VALVE"
Keywords:  scald, shower, cold, hot, valve
A rough-in valve for showers that compensates for drop in pressure on either the hot or cold side. It keeps the water within a specific degree so as to not scald or freeze the user. Also referred to as "Anti-Scald" valve.
A mixing valve within shower plumbing that automatically maintains a constant water temperature; this is done by regulating the changes in pressure from incoming cold and hot water supplies. The temperature remains constant despite changes in hot or cold water pressure.
Shower mixing valve that automatically maintains balance between incoming hot and cold water supplies by immediately regulating fluctuations in pressure. As a result, temperature remains constant, though the outlet pressure may drop. Also known as an anti-scald valve.