Advanced Process Solutions model T2WC-3.2.20 'Ultra-Corrugated Double Tube' tube-in-tube heat exchanger, (24) 2" diameter x 20' long spiraled inner tubes with approximately 250 square feet of total internal surface area, 3" diameter outer tubes with welded expansion joints, equipped with (1) SPX 2" x 2" stainless steel centrifugal pump, 3hp, 3450rpm, 230/460/3/60, (4) 1.5" air actuated gate valves, (1) 2" air actuated 3-way valve, (3) CFR temperature probes, (1) 2" check valve, (1) pressure gauge, (2) temperature gauges, (3) air vents and (1) Kunkle 0.75" 125psi safety pop-off valve, all stainless steel contact and frame construction, serial number S03116, unit is in like new condition and appears to have never been used.