Fleck 5600SXT vs Whirlpool WHES40
Two popular Salt-Based Water Softeners compared side by side. Best for hard water above 120 PPM.
Fleck 5600SXT
Salt-Based Water Softener
$650
VS
Whirlpool WHES40
Salt-Based Water Softener
$550
Fleck 5600SXT and Whirlpool WHES40 are both Salt-Based Water Softeners. The right choice depends on your water data, household size, and which features matter most to you. Check your city's water quality first to understand what you are treating.
Price Difference: $100
The Fleck 5600SXT costs $100 more. The question is whether the differences justify the cost for your situation.
Full Spec Comparison
| Specification | Fleck 5600SXT | Whirlpool WHES40 |
|---|---|---|
| Grain Capacity | 48,000 | 40,000 |
| Flow Rate (GPM) | 12 | 8 |
| Bathrooms Supported | 1–6 | 1–4 |
| Regeneration Type | Metered SXT digital | Demand-initiated (metered) |
| Resin Crosslink | 8% | 8% |
| Valve Type | Fleck 5600SXT digital metered | Digital demand |
| Salt Usage | ~40 lb bag every 4–6 weeks | Sixth Sense technology optimizes salt use |
| Warranty | 5 years (valve), 10 years (tank) | 1 year (parts), limited |
| Certifications | NSF/ANSI 44 | NSF/ANSI 44, 372 |
| Dimensions | 10" x 54" tank + brine tank | 21.3" x 15" x 47.5" |
| Installation | Moderate (plumbing required) | DIY-friendly |
| Water Source | City & Well | City & Well |
| Hardness Removal | Up to 75 GPG | Up to 125 GPG |
| Iron Removal | Up to 8 PPM | Up to 10 PPM |
Frequently Asked Questions
Is the Fleck 5600SXT or Whirlpool WHES40 better?
It depends on your situation. Whirlpool WHES40 ($550) is the better value for most homes. Fleck 5600SXT ($650) offers premium features that may justify the cost for larger households or those wanting maximum convenience.
Is the Whirlpool WHES40 worth it at $550?
Whirlpool WHES40 is one of the most popular Salt-Based Water Softeners on the market. At $550, it offers strong performance for the price. Budget shoppers who want a certified softener available at a retail store
What is the difference between a water softener and a water filter?
A water softener removes hardness minerals (calcium, magnesium) that cause scale. A filter removes contaminants (chlorine, PFAS, lead). They solve different problems. Many homes need both. See our detailed guide. Read our full guide →
Related Guides
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