Thermal Expansion Tank; Type In-Line, Vertical; Inlet/Outlet Connection 1/2 Inch Male Threaded x 1/2 Inch Male Threaded; Tank Material High Strength Steel; Temperature Rating 200 Deg F; Pressure Rating 150 PSIG; Tank Dimensions 3.2 Inch Diameter x 3.9 Inch Height; Tank Warranty 7 Year; Diaphragm Type Heavy Duty Butyl; Air Charge Type Factory Pre-Charged; Air Charge Capacity 50 PSIG; Inclusions/Features Steel Shell, Projection Welded Air Stem, Antimicrobial Liner, Stainless Steel System Connection, Air Valve Cap; Application Closed, Potable Hot Water System; Applicable Standard ISO 9001, NSF/ANSI 61, IAPMO; Lead-Free
Antimicrobial liner neutralizes bacteria on contact Accepts expanded water as system temperature rises and returns hot water to system when demand occurs Patented air cell eliminates water hammer to protect heat exchanger Lead-free