SS contact & CS p1=10 mbar, p2=0.1 bar. Temperature 0-40 degrees C. (ambient) 440 volt input max 6 amps With separate 316SS knock out pot, 20 gallon, vertical rated for 150 psi at 400 degrees F. Certified by Catalano's Welding. Serial # 10-159-1, NB # 203. Welded bottom dish head, bolted top head. About 12" diameter x 36" long with legs for mounting.