J.C. Pardo retort, serial number 2001, National Board number 579, built in 1975, 23" diameter opening x 26" deep, maximum operating pressure 30 PSI at 275 degrees Fahrenheit, 1" threaded steam inlet, 1-1/4" drain/water inlet, Armstrong float and thermostatic steam trap, model 30.83, Jordan model 70 steam control valve, 1" safety relief valve, mild steel construction.