ID: 17060 item: DSI Tube and Shell Heat Exchanger. model#: 3A-84P1 Stainless Steel Tube and Shell Heat Exchanger- Max Temp-375 Degrees F. Unit was made by Staco-DSI. Approx Tube Dims- 82" L X 5 1/2" Diameter. Has 2 1/2" Tri Clamp… Add to quote Remove