Zilmet® Well Tank, Free Standing, Series: Hydro-Plus, 21.1 gal Tank Volume, 14.4 gal Acceptance Volume, 150 psi, ASME Yes/No: No, 17.7 in Dia, 23.9 in Height, Carbon Steel, 40 psi Pre-Pressure Rating, 210 deg F Maximum Temperature, NPT, 1 in, Almond,