Expansion Tanks Silence And Protect Your System

A Waterguard expansion tank from Apollo protects your plumbing system from damage caused by high water pressure and prevents "water hammer" noises in the pipes. Installing a Waterguard unit also ensures that your water system meets the most rigorous local codes.

  • Saves you money by keeping the relief valve from discharging
  • Unique plastic liner protects against rust and corrosion
  • Durable, attractive urethane finish


Download the Waterguard Expansion Tank owner's manual

Download a Waterguard spec sheet



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