Expansion Tank; Type In-Line, Floor Mount, Precharged; Inlet/Outlet Connection 1" Female Threaded; Tank Capacity 14 Gallon; Tank Material Carbon Steel Shell; Temperature Rating 240 Deg F; Pressure Rating 100 PSI; Precharge Pressure 12 PSI; Diaphragm Material Butyl Rubber; Tank Dimensions 15-3/8" Diameter x 24-3/4" Height; Application Residential/Light Commercial, HVAC