Cherry-Burrell spiral wall tube-in-tube heat exchanger, all stainless steel contact and frame construction, with (6) 1.5" diameter x 19'-6" long spiral walled tubes with expansion joints and 180 degree turns, 2" medium ports, approximately 50 square feet of total surface area, unit requires (2) end fittings, (5) clamps and (1) turn to complete, good condition, as is.