American Standard R520

American Standard Thermostatic Tub/Shower Rough-In Valve Body, Elbow Inlet Connection, Cold Expansion PEX Outlet

• Wax thermostatic unit permits shuttle valve to move between the hot and cold seats to maintain the pre-selected constant water temperature
• Adjustable hot limit safety stop limits the amount of hot water allowed to mix with cold, reduces the risk of accidental scalding, maximum water temperature limit may be reduced to 104 or 109 deg F
• Spring loaded check valves - when the hot and cold water enters the fitting, both supplies pass through the spring loaded check valves to prevent cross flow of hot and cold water and integrated stop valves ensure easy cleaning and servicing
• Without trim
• Brass construction - highest quality faucet material for durability and long life