Used 113 gallon 316L stainless steel vertical pressure vessel, Mfg. by Alabama Heat Exchanger. Rated for 100 psi & FV @ 500 Deg. F. Dimensions: 30" I.D. x 30" T/T, mounted on lugs. Serial #AHEJN.4863-A, National Board #364, Year Built 2000, Previous Service: Primer Bath Tank Grignard, Estimated Weight 1,300#