Amtrol ST-60V Thermal Expansion Tank

Thermal Expansion Tank; Type Stand, Vertical; Inlet/Outlet Connection 3/4 Inch Female Threaded x 3/4 Inch Female Threaded; Tank Material Urethane Top Coated Steel; Tank Inner Lining Antimicrobial; Temperature Rating 200 Deg F; Pressure Rating 150 PSIG; Tank Dimensions 22 Inch Diameter x 30 Inch Height; Tank Capacity 34 Gallon; Tank Warranty 1 Year; Diaphragm Type Heavy Duty Butyl; Air Charge Type Factory Pre-Charged; Air Charge Capacity 40 PSIG; Inclusions/Features Projection Welded Air Valve, Turbulator Water Circulator, Stainless Steel System Connection; Application Closed, Potable Water System; Applicable Standard IAPMO R and T, ISO 9001, NSF/ANSI 61; Lead-Free