Inquiry (采购产品): Replacement tube bundle We are looking at a shell & tube HX that sppears to have been built by General Fittings in 1961. The part # is BR-1284. The unit is 2-pass with an overall length of 89.25" water/water, 150 psig working pressure ASME stamped. It has 4" domestic water (tube side) inlet & outlet and 4" boiler water (shell side) inlet & outlet. The unit is for domestic hot water. We are not sure of the flow rates, but the tube side is 40 - 140 degrees F and the shell side is supplied with 180 degree F boiler water. **** Hidden Message ***** Jeff DeSanto 14628 Rothgeb Dr. Rockville, MD 20850 USA Company: Sam DeSanto Co., Inc. Title: President Phone: (301) 424-9510 E-mail: jdesanto@samdesanto.com **** Hidden Message ***** jdesanto@samdesanto.com