
Discount Water Softeners Fleck 5600SXT
Score: 88/100
DuraWater Fleck 9100 SXT
Score: 88/100Rankings

The Fleck 5600sxt by Discount Water Softeners is a highly efficient, digital metered water softener that saves up to 40% on salt and water usage. It features a compact design with a 40,000-grain capacity and a 12 GPM flow rate, making it ideal for moderate to hard water conditions. It is best suited for environmentally conscious homeowners seeking low maintenance and long-term value.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
40,000 grains | 48,000 grainsbest | |
12 GPMbest | 12 GPMbest | |
1 gallonsbest | — | |
4 persons | 6 personsbest | |
| ↓ lower better | 44 inchesbest | 54 inches |
| ↓ 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(1) | ||
Power Source | AC (120V) | Electric (24VAC) |
Performance & Capacity(3) | ||
Grain Capacity (grains) | 40000 grains | 48000 grains |
Resin Volume (gallons) | 1.0 gallons | gallons |
Recommended Household Size (persons) | 4 persons | 6 persons |
System & Control(4) | ||
Regeneration Control Type | Meter Demand | Meter-initiated |
System Type | Whole-house | Dual Tank |
Salt Requirement | 250 lbs | Low |
Display Type | LCD | Digital |
Physical & Installation(2) | ||
Height (inches) | 44 inches | 54 inches |
Installation Type | DIY | Professional |

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

The Fleck 5600 SXT is described as Fleck's most popular controller and one of the best whole house water softeners, praised for its advanced features combined with a simple design.
Customers appreciate the automatic metering system that adjusts regeneration frequency based on actual water usage patterns, noting scale reduction and extended appliance lifespan.



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.