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

The DuraWater Fleck 5600 SXT is a whole-house water softener featuring a 48,000-grain capacity resin tank and the industry-standard Fleck 5600 control valve. It utilizes meter-based regeneration to adjust cleaning cycles based on actual water usage, offering improved efficiency over traditional time-based systems. It is best suited for whole-house applications requiring comprehensive hard water treatment with a focus on reliability and efficiency.

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 | |
13 GPMbest | 12 GPM | |
1.5 gallonsbest | 1.5 gallonsbest | |
4 persons | 6 personsbest | |
| ↓ lower better | 62 inchesbest | 62 inchesbest |
| ↓ lower better | 28 inches | 10 inchesbest |
| ↓ lower better | 15 inches | 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 | Fiberglass | Standard |
Power & Compliance(2) | ||
Power Source | Electric | AC |
Certifications | None Listed | NSF |
Performance & Capacity(2) | ||
Service Flow Rate (GPM) | 13 GPM | 12 GPM |
Recommended Household Size (persons) | 4 persons | 6 persons |
System & Control(4) | ||
Regeneration Control Type | Digital Metered | Meter Demand |
System Type | Single-Tank | Whole-house with Carbon Filter |
Salt Requirement | Standard Salt | 250 lbs |
Display Type | Digital | LCD |
Physical & Installation(3) | ||
Width (inches) | 28 inches | 10 inches |
Depth (inches) | 15 inches | 10 inches |
Weight (lbs) | 53 lbs | lbs |

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

Professional reviewers and industry guides widely recognize the Fleck 5600 SXT as a standard in the water softener industry. Experts highlight the valve's market dominance, attributed to its rigid Noryl construction, low power consumption, and efficient meter-based regeneration. The system's engineering simplicity, featuring only one internal moving part in the water stream, is cited as a key advantage for reliability. Documentation and service manuals are noted as comprehensive, supporting straightforward installation and maintenance.
Consumer feedback indicates strong satisfaction with the Fleck 5600 platform, driven by its reputation as the most popular control valve globally. Users commonly praise the system's ability to protect plumbing and appliances from hard water scale. The meter-based regeneration feature is frequently appreciated by cost-conscious consumers for its efficiency in reducing salt and water consumption compared to older time-clock systems.




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