
Kenmore 350
Score: 72/100
EcoPure EP31
Score: 75/100Rankings

The EcoPure EP31 is a demand-initiated regeneration water softener designed for households of 1-4+ people, utilizing predictive technology to minimize salt and water consumption. It is NSF-certified against Standard 44 for hardness reduction and efficiency, and compatible with both municipal and private well water systems. However, its limited iron capacity and specific salt requirements may be drawbacks for some users.

The Kenmore 350 is a compact, whole-home water softener designed for households of 1-4 people, featuring IntelliSoft technology to optimize salt and water usage. It offers a high-flow valve and NSF certification, making it suitable for moderate hardness levels. However, its limited grain capacity and iron reduction capabilities make it less ideal for larger families or homes with very hard water.
| Attribute | ![]() | ![]() |
|---|---|---|
32,000 grainsbest | 31,000 grains | |
7.2 GPMbest | — | |
4 personsbest | 4 personsbest | |
| ↓ lower better | 48 inchesbest | 48 inchesbest |
| ↓ lower better | 15 inchesbest | 15 inchesbest |
| ↓ lower better | 20.5 inchesbest | 20.5 inchesbest |
10 yearsbest | 10 yearsbest | |
— | 125 PSIbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Compliance(2) | ||
Power Source | Manual/Gravity-fed | Electric (24V DC) |
Certifications | NSF | NSF/ANSI 44, 372, CSA |
Performance & Capacity(3) | ||
Grain Capacity (grains) | 32000 grains | 31000 grains |
Service Flow Rate (GPM) | 7.2 GPM | GPM |
Operating Pressure (PSI) | PSI | 125 PSI |
System & Control(1) | ||
Display Type | Digital | LCD |
Physical & Installation(1) | ||
Weight (lbs) | 80 lbs | 82 lbs |


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Professional reviews and editorial coverage are limited in the provided data. While the product is referenced in contemporary content, there is a lack of specific detailed editorial commentary, performance test results, or professional reviewer ratings.
Specific consumer reviews and user testimonials are not available in the provided data. One retailer listing indicates a 4.3-star rating, but individual user feedback details are not documented.