Whole-house softener · Kenmore

Kenmore 350 32,000-Grain Water Softener

32,000-grain softener for up to 3 people at 15 gpg

Updated October 2026

Quick verdict

A sound whole-house softener for up to 3 people on 15 gpg water.

Strength
32,000-grain rating.
Trade-off
Valve not named on the listing.
Right buyer
Up to 3 people on 15 gpg water.
Grain capacity (maker)
32,000 grains
Service flow (maker)
7.2 GPM
Household (maker)
1–4
Material
Acrylonitrile Butadiene Styrene
Dimensions (seller)
20.5"L x 15"W x 48"H
Product weight
80 lb
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What it does for your water

The Kenmore 350 32,000-Grain Water Softener is a whole-house softener rated at 32,000 grains. Its listing gives a service flow of 7.2 GPM.

Grain ratings are full-salt figures. At an efficient salt setting its rating delivers about 24,000 grains between regenerations, enough for up to 3 people on 15 grains-per-gallon water regenerating weekly, or 1 on 25 grains per gallon. Check it against your hardness.

From the listing: mounting Freestanding; sized by the maker for 1–4; power Manual/Gravity-fed; capacity stated as 0.83 cu ft; model 350; material Acrylonitrile Butadiene Styrene.

The listing gives dimensions of 20.5 in (L) x 15 in (W) x 48 in (H), a shipping weight of 80 lb and kenmore water softener, bypass valve, installation kit in the box.

Warranty, per the listing: One Year Full Warranty. 10 year Tank Warranty. 3 Year Control Board Warranty.

Is it the right unit for your house?

Choose it when

  • Up to 3 people on 15 gpg water
  • Replacing an older softener

Pass on it when

  • More than 1 person on 25 gpg water
  • Iron above about 5 ppm without an iron filter

Where it wins and where it loses

Wins

  • 32,000-grain rating
  • 7.2 GPM service flow

Loses

  • Valve not named on the listing
  • Needs a drain and an outlet nearby
  • Softened water carries added sodium unless you use potassium chloride

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 number350Retailer
Dimensions (seller)20.5"L x 15"W x 48"HRetailer
MaterialAcrylonitrile Butadiene StyreneRetailer
Mounting / installationFreestandingRetailer
MethodIon ExchangeRetailer
Service flow (maker)7.2 GPMRetailer
Product weight80 lbRetailer
Model name350Retailer
WarrantyOne Year Full Warranty. 10 year Tank Warranty. 3 Year Control Board Warranty.Retailer
Grain capacity (maker)32,000 grainsRetailer
Household (maker)1–4Retailer

Units to weigh against it

Other water softeners in the catalog

Every water softeners on one grid · All Kenmore units we cover

Final verdict

A sound whole-house softener for up to 3 people on 15 gpg water.

Where to buy

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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 Kenmore 350 32,000-Grain Water Softener for?
At an efficient salt setting it delivers about 24,000 grains between regenerations: up to 3 on 15 gpg water, or 1 on 25 gpg, regenerating weekly. Iron adds load: each ppm counts as about 4 gpg.