Amtrol SX40V Hydronic Expansion Tank

Hydronic Expansion Tank; Type Stand, Vertical; Inlet/Outlet Connection 1 Inch Female Threaded x 1 Inch Female Threaded; Tank Material Urethane Top Coated Steel; Temperature Rating 240 Deg F; Pressure Rating 100 PSIG; Tank Dimensions 15 Inch Diameter x 33 Inch Height; Tank Capacity 20 Gallon; Tank Warranty 1 Year; Diaphragm Type Heavy Duty Butyl/EPDM; Air Charge Type Factory Pre-Charged; Air Charge Capacity 12 PSIG; Inclusions/Features Projection Welded Air Valve, Automatic Air Vent, Air Purger, Steel System Connection; Application Closed, Non-Potable, Hydronic Heating System; Applicable Standard IAPMO R and T, ISO 9001; Lead-Free