3 Gallon RO Expansion Tank with Ball Valve

tankRo ★ 4.2/5 · ItemOracle Score Mid-Range

$40 USD
Price subject to change
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3 Gallon RO Expansion Tank  Compact Reverse Osmosis Water Storage Pressure Tank with Free Tank Ball Valve

Compact RO water storage tank designed for under-sink systems, built from food-grade materials and durable steel domes. Includes a free tank ball valve for easy setup and replacement, with quick-connect design for simple installation

Highlights

  • food-grade materials
  • included ball valve for setup
  • compact under-sink fit

Pros

  • food-grade materials
  • easy to install with included valve
  • compact 14 x 9 x 9 design
  • durable steel construction
  • 1-year warranty

Cons

  • mixed water pressure reports
  • capacity noted as 2.2 gallons despite 3 gallon name
  • customer reviews mention variable pressure

Best For

  • under-sink RO system storage
  • on-demand filtered drinking water supply
  • replacement tank for RO systems
  • quick-connect RO installations
  • space-efficient water storage
  • replacement for larger original tank

Features

  • 100% food-grade materials for RO tank construction
  • Stores up to 2.2 gallons with compact 14 x 9 x 9 in design
  • Includes free tank ball valve with 14 quick-connect for easy setup
  • Durable deep-drawn steel dome with precision welding and 1-year warranty
  • Designed for under-sink installation to fit most Kitchen configurations

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