
AFW Filters Fleck 5600SXT
Score: 86/100
DuraWater Fleck 9100 SXT
Score: 88/100Rankings

The Fleck 9100 SXT is a dual-tank, meter-initiated water softener designed to provide continuous soft water 24/7 by alternating between two resin tanks. It regenerates automatically based on actual water usage rather than a preset timer, utilizing 8% cross-linked resin for high efficiency. The system is engineered for homes and small commercial applications requiring reliable, uninterrupted soft water delivery.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
48,000 grainsbest | 48,000 grainsbest | |
12 GPMbest | 12 GPMbest | |
1.5 gallonsbest | — | |
6 personsbest | 6 personsbest | |
| ↓ lower better | 62 inches | 54 inchesbest |
| ↓ lower better | 10 inchesbest | 10 inchesbest |
| ↓ lower better | 10 inchesbest | 10 inchesbest |
10 yearsbest | 10 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Durability(1) | ||
Tank Material | Standard | Fiberglass |
Power & Compliance(2) | ||
Power Source | AC | Electric (24VAC) |
Certifications | NSF | |
Performance & Capacity(1) | ||
Resin Volume (gallons) | 1.5 gallons | gallons |
System & Control(4) | ||
Regeneration Control Type | Meter Demand | Meter-initiated |
System Type | Whole-house with Carbon Filter | Dual Tank |
Salt Requirement | 250 lbs | Low |
Display Type | LCD | Digital |
Physical & Installation(2) | ||
Height (inches) | 62 inches | 54 inches |
Installation Type | DIY | Professional |

Products in the top-left offer the best value (high score, low price).

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Professional sources emphasize the Fleck 9100 SXT's efficiency and reliability as its primary selling points. It is repeatedly described as the ultimate in twin tank soft water systems, noted for its ability to deliver continuous soft water while minimizing salt and water usage.
The search results do not include detailed consumer reviews or user feedback from platforms like Amazon, Google Reviews, or other retail sites. However, the product marketing emphasizes user satisfaction through its simple programmability, automatic tank switching, and the peace of mind of never running out of soft water.