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GE Appliances Logo

GE® 31,100 Grain Water Softener & Filter In One

Model # GXMH31H

 4.6 out of 5 (9 Reviews)

Regular Price $800

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Reduces chlorine taste and odor with built-in water filtration

Self-cleaning sediment filter protects your home's plumbing

31,100 grain capacity

GE exclusive custom select blending valve

Allows you to select how soft you want your water

GE exclusive SmartSoft™ Technology

Ensures there is always plenty of softened water available by "learning" a family's water-use patterns

GE exclusive days to empty

Makes sure you never have to guess when to refill the salt tank

Easy to use up-front electronic controls with status light indicator

Efficiency (4230 gpg)

Maximum hardness removal (120 gpg)

Maximum iron removal (3 ppm)

Salt capacity (230 lbs)

GE exclusive salt saver

Helps reduce salt consumption

Plumbing connection up to 1.25"


  • Self-cleaning sediment filter protects your home's plumbing
  • 31,100 grain capacity
  • GE exclusive custom select blending valve
  • GE exclusive SmartSoft Technology
  • GE exclusive days to empty
Capacity (grains) 31100.0
Color Appearance White
Unit Color Clear Blue
Warranty Notes See written warranty for full details
Parts Warranty Limited 1-year entire appliance
Limited 10-year resin tank
Limited 3-Year Electronic Monitor;
Labor Warranty Limited 1-year entire appliance
Electronic Rating 24V; 60Hz
Installation Kit Included
Net Weight 109.0
Overall Depth 22.4375
Overall Width 14.4375
Overall Height 47.625
Approximate Shipping Weight 119.0
NSF Certified Yes
Max. Clear Water Iron Reduction (ppm) 3
Style Sculpted
Max. Hardness Removal (gpg) 120
Type Electronic-Demand Driven
Charcoal Volume (sq. ft.) .26
Service Flow Rate (at 15 psi drop) 8
Indicator Lights Days to Empty; Low Salt; Status Light
Salt Saver Button/Light
Resin Quantity (cu.ft.) .98
Permanent Settings Memory Yes
Resin Tank Size (in.) 10 x 40
Custom Select blending value Yes
Regeneration Time (min.) 105-152
Resin Filter Type Standard Mesh
Sediment filter Yes
Intermittent Flow Rate (gpm) 22.2
Audible Alarm Yes
Control Type Electronic
Valve Type High Flow
Water Used for Regeneration (gals.) 54.7
System Monitor Yes
Efficiency (grains per lb.-salt) 4230
Salt Saver button/light Yes
Pressure Drop at Rated Service Flow (psi) 6.5
Plumbing Connection / Pipe Size In & Out (in.) up to 1-1/4
Rated Capacity at Chlorine Concentration 1,140,000 gallons @ 1.0 ppm
1,520,000 gallons @ .75 ppm
2,282,000 gallons @ .50 ppm
570,000 gallons @ 2.0 ppm
760,000 gallons @ 1.5 ppm
Salt Storage Capacity 230.0

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

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out of 5 (9 Reviews)

100% of reviewers recommend this product.

Very Pleased


This has to be the best purchase we have made this year. The unit was easy to install and immediately after set up it began making life a lot better here. Better than expected and we would highly recommend this product.

Yes, I recommend this product

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Simple Installation


This unit was very straight forward to install. Connections were standard and the programming was very easy.

Yes, I recommend this product

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Such a great purchase


We had really hard water when we first moved into our new house to the point of trying our skin out very badly. This has solved that issue. Very great purchase.

Yes, I recommend this product

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Great water softener at a low price


Installed 2 months ago and works great. No more dry skin after a shower clothes are softer and cleaner coming out of the wash dishes are cleaner and no more distilled water needed for coffee maker and iron.

Yes, I recommend this product

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Very easy to install and program


I bought it and at first was hesitant to do the installation myself. After reviewing the installation manual indecided to give it a shot and was very happy with how easy it was to set up.

Yes, I recommend this product

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More or less good


Well... deep subject... we tested our water after the installation. Quality between incoming system water filtered water softener filter water and bottled water. We were surprised to see that the incoming system water was the best. Not even after softened Filtered water plus a filter under the sink did the water test good. So it was Bottled water first and then the system water coming in. Softener works great

Yes, I recommend this product

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Excellent features Very quiet


I put the water softener in myself without any issues. The appliance is easy to set up and easy to maintain. I love my water softener

Yes, I recommend this product

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I can tell the difference


We bought a new home and I can tell the difference instantly in how the water feels. My friend recommended it.

Yes, I recommend this product

Easy installation


Just installed so havent received the full benefit I know I will get from the water softener. It is a replacement for one I have had for over 15 years which has worked wonderfully. Looking forward to the benefits of not having dry skin and dry hair that I experienced prior to having a water softener.

Yes, I recommend this product

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