SpringWell SS4
A mid size softener for four to six bathrooms, for buyers who want a long warranty and will pay well above budget brands for it.
SpringWell $1,680$1,680
3.1/5
A connected softener for a mid-size household on city water that wants app alerts, while stock lasts.
- 35,000 grainsCapacity
- 8 gpmService flow
- 5,120 gr/lbSalt efficiency
- YesNSF/ANSI 44
Check price at Amazon$699
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
Discontinued: no longer sold new; the links below may show remaining or used stock.
Pros
- Phone alerts for low salt and continuous flow that can flag a leak
- Certified salt efficiency over 5,000 grains per pound
- Bypass blending valve lets you set how soft the water is
Cons
- GE says the model is no longer made, so parts and support may thin out
- Only 5 ppm iron rating, weak for iron-heavy well water
The GE Smart Water Softener GXSH family
Every GE Smart Water Softener GXSH model we rank, smallest first. Ratings compare each against its own size.
| Model | Capacity | Rating | Price |
|---|---|---|---|
| GE Smart GXSH35W (this one) Discontinued | 35,000 grains | 3.1/5 | $699 |
| GE Smart GXSH45W Discontinued | 45,000 grains | 3.4/5 | $799 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | GXSH35W |
|---|---|
| Capacity | |
| Rated capacity | 35,000 grains |
| Resin | 1 cu ft |
| Service flow | 8 gpm |
| Salt efficiency | 5,120 grains per lb |
| Highest hardness | 165 gpg |
| Highest iron | 5 ppm |
| Control | |
| Valve | GE demand valve |
| Regenerates on demand | Yes |
| App or remote monitoring | Yes |
| Bypass valve included | Yes |
| Resin tank | 10 x 35 in |
| Certification and warranty | |
| NSF/ANSI 44 | Yes |
| Valve warranty | 3 years |
| Tank warranty | 10 years |
Alternatives in this size
iSpring WCS45KG
A space saving one tank softener for a mid size home, but it costs more and is backed for less time than better documented rivals.
Amazon $966.40$966.40
GE Smart GXSH45W Discontinued
A connected, certified softener for a larger family on city water that wants app alerts, while stock lasts.
Amazon $799$799
Compare
Compare the GE Smart GXSH35W with any other water softener →
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