SpringWell SS4 Salt-Based Water Softener

SpringWell SS4 Salt-Based Water Softener

SpringWell

9/10~$1,800
48K Grain Capacity13 GPM Flow Rate7 PPM Iron Handling
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Our Verdict

Mid-size premium softener for hard water households. 48,000-grain capacity handles families of 4-6 even with very hard water (25+ GPG). Same 10% crosslink resin and lifetime warranty as the SS1 in a larger package.

Pros & Cons

Pros

  • +48,000-grain capacity for hard water up to 81 GPG tested
  • +13 GPM flow rate supports 3-4 simultaneous fixtures
  • +10% crosslink resin and Bluetooth app
  • +Lifetime warranty on tanks and valves

Cons

  • -Overkill for soft-water areas under 10 GPG
  • -Larger footprint requires more installation space

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Other SpringWell Systems Compared

Every SpringWell system we cover, smallest to largest. Pick by grain capacity and flow rate for your household, then read that model's page.

ModelTypeCapacityFlowPrice
SpringWell FutureSoft Salt-Free ConditionerSalt-free conditionern/a20 gpm~$1,500
SpringWell SS1 Salt-Based Water SoftenerSalt-based softener32,000 grains11 gpm~$1,500
SpringWell SS4 Salt-Based Water Softener (this page)Salt-based softener48,000 grains13 gpm~$1,800
SpringWell SS + WS Well Water ComboSalt-based softener48,000 grains12 gpm~$3,200
SpringWell SS+ Salt-Based Water SoftenerSalt-based softener80,000 grains20 gpm~$2,500

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