3M Cuno Hydropneumatic 2.5 Gallon Tank for BEV/STM/TSR - 5598405
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3M Cuno Hydropneumatic Tank for BEV/STM/TSR

CUNO 2.5

Retail: $155.99 /ea
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Retail: $155.99
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The 3M Cuno Hydropneumatic 2.5 Gallon Tank for BEV/STM/TSR - 5598405 is a replacement reverse osmosis tank for boiler-based steamer units. This fiberglass water tank features a bladder-style pressure vessel and fittings which are specially designed to accept plumbing from STM and TSR units. This hydropneumatic system boasts a compact footprint that allows access to the tank through a standard doorway while not taking up a large space. This hydropneumatic tank system is 100% sealed, which provides strength and prevents leaks.


  • Brand: 3M Cuno
  • Model Number: CUNO 2.5
  • Part Number: 55984-05, 5598405
  • Dimensions: 9 1/16" x 14 3/4" (23 cm x 37.5 cm)
  • Capacity at 60 psi (414 kPa): 2.5 gallon (9.5 liter)
  • Bladder-style pressure vessel
  • Can be installed in space restricted areas

Fits In These Applications:

The CUNO 2.5 is the correct reverse osmosis tank for the following:

  • Boiler-based steamer units

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