Temptrol pressure-balancing valves are the heart of Symmons' shower and bath systems. Temptrol combines temperature control and function with a sleek, ergonomic styling. All-bronze and stainless steel designs are built to provide years of worry-free service. A wide variety of finishes, trim choices, and price points enable any builder to provide the "scald-proofing" confidence and protection of a pressure-balanced system.Symmons Industries.