Softener and filter combo · AFWFilters

AFWFilters Fleck 5600SXT 64,000-Grain Water Softener and Filter System

64,000-grain softener for up to 6 people at 15 gpg

Updated October 2026

Quick verdict

A practical softener and filter combo for up to 6 people on 15 gpg water.

Strength
64,000-grain rating.
Trade-off
Service flow not stated.
Right buyer
Up to 6 people on 15 gpg water.
Grain capacity (maker)
64,000 grains
Resin volume
2 cu ft
Control valve
Fleck 5600SXT
Material
Resin
Product weight
200 lb
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What it does for your water

The AFWFilters Fleck 5600SXT 64,000-Grain Water Softener and Filter System is a softener and filter combo rated at 64,000 grains on a Fleck 5600SXT control valve.

The rating assumes a heavy salt dose; at a salt-saving setting expect about 48,000 grains from its 2 cu ft of resin, enough for up to 6 people on 15 grains-per-gallon water regenerating weekly, or 3 on 25 grains per gallon. Run your household's numbers.

Softener and filter come as one package. Read what the filter stage targets (sediment, chlorine or iron) and how often it needs new media.

The Fleck 5600SXT head is one of the most widely serviced valves; seal kits, pistons, boards and meters that name it are in the valve parts lookup.

Other listed details: features listed standard square brine tank; mounting Built-In" or "Permanent Installation; power Corded Electric; capacity stated as 64000 liters; model 5600SXT; material Resin.

The listing gives a shipping weight of 200 lb and complete system in the box.

Is it the right unit for your house?

Choose it when

  • Up to 6 people on 15 gpg water
  • Replacing an older softener

Pass on it when

  • More than 3 people on 25 gpg water
  • Iron above about 5 ppm without an iron filter

Where it wins and where it loses

Wins

  • 64,000-grain rating
  • Fleck 5600SXT valve
  • 2 cu ft of resin

Loses

  • Service flow not stated
  • Plumbing, drain and outlet needed
  • Adds sodium to softened water (potassium chloride avoids it)

Limits to know about

  • Figures are the maker's or seller's own; check fit and capacity against your water test and your equipment's manual.

Maker's figures

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Model number5600SXTRetailer
Features (seller)standard square brine tankRetailer
MaterialResinRetailer
Mounting / installationBuilt-In" or "Permanent InstallationRetailer
MethodIon ExchangeRetailer
Product weight200 lbRetailer
Model name64kRetailer
Grain capacity (maker)64,000 grainsRetailer
Resin volume2 cu ftRetailer
Control valveFleck 5600SXTRetailer

Units to weigh against it

Other water softeners in the catalog

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Final verdict

A practical softener and filter combo for up to 6 people on 15 gpg water.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

How many people is the AFWFilters Fleck 5600SXT 64,000-Grain Water Softener and Filter System for?
At an efficient salt setting it delivers about 48,000 grains between regenerations: up to 6 on 15 gpg water, or 3 on 25 gpg, regenerating weekly. Iron adds load: each ppm counts as about 4 gpg.