Used approximately 8000 gallon vertical 304 stainless steel tank. 10'diameter X 14' high straight side. Slight cone top, flat bottom. Top fittings: (3) 8", (1) 6", (2) 2", and (1) 4". Has (3) 1.5" side pad style inlets, (1) 6" side pad style outlet, (1) 8" side bottom pad style outlet, and (1) 4" side bottom outlet. Has internal coil. Covered with 3" insulation and sheathing.