
DuraWater Fleck 5600SXT
Score: 88/100
Pentair 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 Pentair 64k Fleck 5600SXT is a robust whole-home water softener designed for larger households with high water consumption. It features a high-capacity resin tank and a reliable digital metered valve that optimizes regeneration based on actual usage. While it requires significant space and a 24V power source, its durability and efficiency make it a top choice for demanding applications.
| Attribute | ![]() | ![]() |
|---|---|---|
48,000 grains | 64,000 grainsbest | |
13 GPMbest | 10 GPM | |
1.5 gallons | 2 gallonsbest | |
4 persons | 6 personsbest | |
| ↓ lower better | 62 inches | 48 inchesbest |
| ↓ lower better | 28 inches | 12 inchesbest |
| ↓ lower better | 15 inchesbest | 48 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 | Electric | 24V Transformer |
Performance & Capacity(5) | ||
Grain Capacity (grains) | 48000 grains | 64000 grains |
Service Flow Rate (GPM) | 13 GPM | 10 GPM |
Resin Volume (gallons) | 1.5 gallons | 2 gallons |
Recommended Household Size (persons) | 4 persons | 6+ persons |
Operating Pressure (PSI) | Unknown PSI | PSI |
System & Control(1) | ||
System Type | Single-Tank | Whole-Home |
Physical & Installation(5) | ||
Height (inches) | 62 inches | 48 inches |
Width (inches) | 28 inches | 12 inches |
Depth (inches) | 15 inches | 48 inches |
Installation Type | DIY | Whole-Home DIY |
Weight (lbs) | 53 lbs | 200 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.




Professional assessments highlight the Fleck 5600SXT valve as the most popular water softener control valve on the planet, noting its reliability due to having only one internal moving part in the water stream and its double backwash engineering.
User feedback emphasizes the ease of DIY installation, supported by detailed instructions and video access, as well as the convenience of pre-programming options that simplify setup. Consumers value the reliability and durability of the proven 5600 valve design.