BUILT IN 2006. S/N 064901-01 (TYPICAL). 54 GALLON STAINLESS STEEL RESEVOIR. STAINLESS STEEL PIPING AND FITTINGS. (2) 1.5 HP TUTHILL 3C2FV-CC PUMPS. PTI TECHNOLOGIES FILTER F7F100HH-B40QNX. 2 HP FAN COOLING AIREX HEAT EXCHANGER. PDF MANUAL ON FILE. WITH DRIP CONTAINMENT PAN.