Armstrong W-103-25 Liquid to Liquid U-Tube Heat Exchanger

Type 2 Pass
Diameter 10 in.
Working Pressure 150 PSI        

  • We can supply direct replacement for all Adamson Shell & Tube Heat exchangers or Domestic Hot water units.
  •  Heat-Exchangers USA has an extensive list of drawings and has sold every model available from Adamson over the years and can provide up-to-date solutions for your needs if your facility or customer is down.
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Standard Armstrong Water to Water (W) complete Shell and Tube Heat Exchangers. 2 and 4 pass units, 4″ nominal thru 10″ nominal in our catalog. Larger units available upon request.

Armstrong U-Tube heat exchangers are designed for durability and include a removable tube bundle as a standard feature. The U-shaped tube design provides a long service life by eliminating the effects of thermal expansion and contraction. These heat exchangers feature carbon steel components, with copper tubes, and a rugged cast iron head.


Standard Copper (tubes), carbon steel (shell, tube sheet, baffles) Optional Brass (tubes, tube sheets, baffles), bronze (heads), stainless steel (tubes, tube sheets, heads, shells, baffles), 90/10 Cu-Ni (tubes)

• Carbon steel shell, tubesheet and baffles
• Heavy-duty U-shaped copper tubes
• 2 and 4-pass construction
• Constructed in accordance with asme Boiler Code Section viii, Division 1
• 4” to 30” (102 mm to 762 mm) diameter in varying lengths
• ws – water in tubes, steam in shell
• wr – steam in tubes, fluid in shell
• w – fluid in tubes and shell
• – CRN Stamped From Factory