Amtrol® Therm-X-Trol® Thermal Expansion Tank, In-Line, Series: ST Series, 2 gal Tank Volume, Acceptance Volume: 0.9 gal, 150 psig, ASME Yes/No: No, 8 in Dia, 13 in Height, Drawn Steel, 50 psig Pre-Pressure Rating, 200 deg F Maximum Temperature, MNPT, 3/4 in, Urethane Topcoat, Domestic