
AFW Filters Fleck 5600SXT
Score: 85/100
DuraWater Fleck 5600SXT
Score: 88/100Rankings

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 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.
| Attribute | ![]() | ![]() |
|---|---|---|
48,000 grainsbest | 48,000 grainsbest | |
12 GPM | 13 GPMbest | |
1.5 gallonsbest | 1.5 gallonsbest | |
6 personsbest | 4 persons | |
| ↓ lower better | 54 inchesbest | 62 inches |
| ↓ lower better | 10 inchesbest | 28 inches |
| ↓ lower better | 10 inchesbest | 15 inches |
10 yearsbest | 10 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Compliance(1) | ||
Power Source | AC Adapter (24V) | Electric |
Performance & Capacity(3) | ||
Service Flow Rate (GPM) | 12 GPM | 13 GPM |
Recommended Household Size (persons) | 6 persons | 4 persons |
Operating Pressure (PSI) | 125 PSI | Unknown PSI |
System & Control(3) | ||
Regeneration Control Type | Meter Demand | Digital Metered |
System Type | Whole-house | Single-Tank |
Salt Requirement | 250 lbs | Standard Salt |
Physical & Installation(4) | ||
Height (inches) | 54 inches | 62 inches |
Width (inches) | 10 inches | 28 inches |
Depth (inches) | 10 inches | 15 inches |
Weight (lbs) | 130 lbs | 53 lbs |

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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.