5-261-20-072-004

Configured for steam-to-liquid heating, this configuration carries the removable U-tube bundle construction that defines the SU/WU range. Steam condenses in the single-pass shell while the heated fluid travels the tubes. Physically, the unit runs a 20-inch shell, 72-inch shell length, and roughly 85-3/4 inches overall in a 2-pass arrangement. That works out to about 388 square feet of heat transfer surface on 3/4-inch O.D. tubes. Standard construction uses cast brass bonnets, steel shell, copper tubes, and brass tubesheets. The unit is rated for 150 PSI on the shell side, 150 PSI on the tube side, and N/A maximum temperature. Installations range across swimming pool heating, building comfort heating, and radiant panel and snow-melt converters. This build is designated 5-261-20-072-004.