
AFW Filters Fleck 5600SXT
Score: 85/100
EcoPure EP31
Score: 75/100Rankings

The AFWFilters Premium Fleck 5600 SXT is a robust whole-house water softener designed for homes with moderate to very hard water, featuring a 48,000-grain capacity. Its meter-demand regeneration system offers significant salt and water savings, making it an efficient choice for larger households. It is best suited for DIY installers comfortable with basic plumbing tasks who want a reliable, high-capacity system.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
48,000 grainsbest | 31,000 grains | |
12 GPMbest | — | |
1.5 gallonsbest | — | |
6 personsbest | 4 persons | |
| ↓ lower better | 54 inches | 48 inchesbest |
| ↓ lower better | 10 inchesbest | 15 inches |
| ↓ lower better | 10 inchesbest | 20.5 inches |
10 yearsbest | 10 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Durability(1) | ||
Tank Material | Fiberglass | |
Power & Compliance(1) | ||
Power Source | AC Adapter (24V) | Electric (24V DC) |
Performance & Capacity(4) | ||
Grain Capacity (grains) | 48000 grains | 31000 grains |
Service Flow Rate (GPM) | 12 GPM | GPM |
Resin Volume (gallons) | 1.5 gallons | gallons |
Recommended Household Size (persons) | 6 persons | 4 persons |
System & Control(4) | ||
Regeneration Control Type | Meter Demand | Demand-initiated |
System Type | Whole-house | Single Tank |
Salt Requirement | 250 lbs | Low |
Display Type | Digital | LCD |
Physical & Installation(4) | ||
Height (inches) | 54 inches | 48 inches |
Width (inches) | 10 inches | 15 inches |
Depth (inches) | 10 inches | 20.5 inches |
Weight (lbs) | 130 lbs | 82 lbs |


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