Product Description People who value quality value Symmons because our products are made right. That same Symmons quality goes into everything we make and everything we dofrom our products to our peopleits about integrity. From the Manufacturer The heart of the Temptrol pressure-balancing valve. Solid brass and bronze with stainless steel piston that adjusts automatically to instantly and continually equalize or "balance" the hot and cold water pressure as demands are made elsewhere in the plumb. Symmons TA-10 spindle automatically adjusts to balance the hot and cold water pressure Brass and bronze construction with stainless steel piston Genuine replacement part for Symmons Temptrol valves Solid brass and bronze with a stainless steel piston Replacement for the TA-10 Spindle Assembly and the TA-4 Seat Kit in any Temptrol valve, it automatically resets the warranty