SpringWell MMV-1 vs Whirlpool WHES40
Different approaches to water treatment compared side by side. Best for various water quality situations.
SpringWell MMV-1
Filter + Softener Combo
$2,508
VS
Whirlpool WHES40
Salt-Based Water Softener
$550
SpringWell MMV-1 and Whirlpool WHES40 are different types of water treatment systems. The SpringWell MMV-1 costs $1,958 more. 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: $1,958
The SpringWell MMV-1 costs $1,958 more. The question is whether the differences justify the cost for your situation.
Full Spec Comparison
| Specification | SpringWell MMV-1 | Whirlpool WHES40 |
|---|---|---|
| Filtration Stages | 4-stage ActivFlo + Ion Exchange | — |
| Filter Media | KDF + Catalytic Carbon + Resin | — |
| Flow Rate (GPM) | 9 | 8 |
| Grain Capacity | 32,000 | 40,000 |
| Bathrooms Supported | 1–3 | 1–4 |
| Filter Capacity | 1,000,000 gallons | — |
| Contaminants Removed | Chlorine, chloramine, PFAS, VOCs, hardness minerals | — |
| Warranty | Lifetime | 1 year (parts), limited |
| Certifications | NSF-certified components | NSF/ANSI 44, 372 |
| Installation | DIY-friendly | DIY-friendly |
| Water Source | City water | City & Well |
| Hardness Removal | Up to 20+ GPG | Up to 125 GPG |
| Scale Prevention | Complete (ion exchange) | — |
| Regeneration Type | — | Demand-initiated (metered) |
| Resin Crosslink | — | 8% |
| Valve Type | — | Digital demand |
| Salt Usage | — | Sixth Sense technology optimizes salt use |
| Dimensions | — | 21.3" x 15" x 47.5" |
| Iron Removal | — | Up to 10 PPM |
Frequently Asked Questions
Is the SpringWell MMV-1 or Whirlpool WHES40 better?
It depends on your situation. Whirlpool WHES40 ($550) is the better value for most homes. SpringWell MMV-1 ($2,508) 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 water treatment systems 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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