Used 80 gallon Letco Corp vertical T-316 stainless steel jacketed pressure tank. 30'' diameter x 28'' high straight side. Welded dished heads. Internal rated 20 psi @ 260*F. T-321 Stainless dimple jacket rated 80 psi @ 260*F. NB# 85. S/N 1284-2. 18'' top center manway. Mounted on stainless legs. 1 1/4'' center bottom drain.