Bell & Gossett, a xylem brand U-Tube Heat Exchangers SU /WU

U-Tube Heat Exchangers for water to water or steam to water HVAC, plumbing or process applications. NPT or flanged heads, Diamondback double wall construction to prevent cross-contamination. SU, WU, DSU and DWU, TCW, TCS and TS tank heaters. The SU Heat Exchanger is an instantaneous type, designed to heat liquids with steam. No space-wasting, expensive storage tank is needed. Although the SU is used for heating many types of fluids, its widest application is for heating water. The SU can also be used as a converter for use with radiation, radiant panels and snow melting systems. Available in diameters 4′ through 30′. The WU heat exchanger is an Instantaneous water-to-water heat transfer — with pumped boiler water circulation. The WU, equipped with a Bell & Gossett Booster Pump, pumps boiler water through the shell, thereby greatly increasing the capacity of the heater. Large volumes of hot water are produced by an amazingly small unit. Sizes range from 4′ diameter through 30′diameter.