GE Smart GXSH45W

Last updated: November 1, 2026

GE Smart GXSH45W
3.4/5#13 of 14 in 32,001 to 48,000 grains water softeners Discontinued
3.4

A connected, certified softener for a larger family on city water that wants app alerts, while stock lasts.

  • 45,000 grainsCapacity
  • 9.6 gpmService flow
  • 5,120 gr/lbSalt efficiency
  • YesNSF/ANSI 44
Check price at Amazon$799

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
  • Large 1.5 cu ft resin bed rated past its 45,000 grain name at the top salt setting
  • Certified salt efficiency over 5,000 grains per pound
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.

ModelCapacityRatingPrice
GE Smart GXSH35W Discontinued35,000 grains3.1/5$699
GE Smart GXSH45W (this one) Discontinued45,000 grains3.4/5$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 numberGXSH45W
Capacity
Rated capacity45,000 grains
Resin1.5 cu ft
Service flow9.6 gpm
Salt efficiency5,120 grains per lb
Highest hardness165 gpg
Highest iron5 ppm
Control
ValveGE demand valve
Regenerates on demandYes
App or remote monitoringYes
Bypass valve includedYes
Resin tank10 x 44 in
Certification and warranty
NSF/ANSI 44Yes
Valve warranty3 years
Tank warranty10 years

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