Welcome to A. O. Smith Water Systems

Your Trusted Source for Quality Tanks

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Benefits of a Well Tank

Extends Pump Life

Reduces wear and tear on the well pump by minimizing on/off cycles.

Consistent Water Pressure

Helps keeps water pressure stable for household use.

Immediate Access to Water Supply

Provides stored water on demand without waiting for the pump to activate.

Protects Plumbing System

Absorbs pressure changes, reducing stress on pipes, fixtures, & appliances.

Energy Efficiency & Savings

Reduces electricity use by limiting how often the pump has to run. 

Explore Products

ProMax® Series Diaphragm Pump Tanks

  • Standard to premium three-tier offering
  • Butyl rubber parabolic diaphragm that prevents rubbing on tank wall
  • Exterior and interior powder coating provides maximum protection from corrosion
  • Free-standing sizes 20 to 119 gallons
  • In-line & horizontal orientation available in select sizes
  • Up to 150 psi max working pressure