
AFW Filters Fleck 5600SXT
Score: 86/100
Kind Water E-3000
Score: 78/100Rankings

The AFW Filters Built Fleck 5600SXT is a comprehensive whole-house water softening system that combines 48,000-grain softening capacity with an upflow carbon filter for superior water quality. It features NSF-approved components and a digital metered valve for efficient operation. It is best suited for households seeking both soft water and filtration for chlorine and organic contaminants.

The Kind E-3000 is a compact, whole-house water filtration system that combines three stages of filtration with salt-free softening technology for municipal water systems. It removes over 155 contaminants while preventing scale buildup through Template Assisted Crystallization, requiring no electricity, salt, or complex maintenance. Best suited for municipal water users with low-to-medium hardness levels seeking contaminant reduction.
| Attribute | ![]() | ![]() |
|---|---|---|
48,000 grainsbest | 75 grains | |
12 GPM | 15 GPMbest | |
1.5 gallonsbest | — | |
6 personsbest | 6 personsbest | |
| ↓ lower better | 62 inches | 29 inchesbest |
| ↓ lower better | 10 inches | 9 inchesbest |
| ↓ lower better | 10 inchesbest | 25 inches |
10 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Durability(2) | ||
Tank Material | Standard | N/A |
Warranty Length (years) | 10 years | Lifetime years |
Power & Compliance(2) | ||
Power Source | AC | None |
Certifications | NSF | NSF/ANSI 42, 61, 372 |
Performance & Capacity(3) | ||
Grain Capacity (grains) | 48000 grains | 75 grains |
Service Flow Rate (GPM) | 12 GPM | 15 GPM |
Resin Volume (gallons) | 1.5 gallons | N/A gallons |
System & Control(4) | ||
Regeneration Control Type | Meter Demand | None |
System Type | Whole-house with Carbon Filter | Salt-Free Filter |
Salt Requirement | 250 lbs | None |
Display Type | LCD | None |
Physical & Installation(5) | ||
Height (inches) | 62 inches | 29.0 inches |
Width (inches) | 10 inches | 9.0 inches |
Depth (inches) | 10 inches | 25.0 inches |
Installation Type | DIY | Built-in |
Weight (lbs) | lbs | N/A lbs |

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Professional reviewers acknowledge the E-3000's strong contaminant reduction capabilities and ease of installation for DIY users. However, experts explicitly clarify that the system is not a true water softener because it conditions water rather than removing hardness minerals. While limescale still forms, reviewers note that it is significantly easier to clean and lacks the abrasive quality of untreated hard water deposits.
Consumer sentiment is generally positive, reflected in a 4.5-star rating and active engagement in Q&A sections. Users appreciate the convenience of a system that requires no salt or electricity, along with the ease of installation. Common praise includes noticeable improvements in water taste and feel, while recurring concerns focus on the persistence of limescale and the lack of the slippery sensation associated with traditional softeners.