50 gallon glass lined Pfaudler #3315 tank. 24" diameter x 28 3/4" deep. Clamped top made of #9115 glass with NB# 46694 (s/n: D492-1779). Internal rated 25/FV @ 350 degrees F. Fittings top: (2) 1-1/2", (1) 4" and (1) 2". 2" center bottom outlet.. Tank body National Board # 36934 (s/n: E279-0792). Mounted on legs.