Aquasure Harmony 32K
A low cost metered softener for a small household on city or well water that wants the basics done cheaply. Buyers who want verified salt efficiency should look at a certified model.
Amazon $523.29$523.29
The Aquasure Harmony 32K is the better water softener overall, rated 3.2 to 3.1. The Aquasure Harmony 32K leads on warranty and value. The Kenmore 350 wins on certification. The Aquasure Harmony 32K costs $98 less ($523.29 vs $621.29).
Kenmore 350
A compact, certified demand softener for one to four people, though the same design costs less under other brands.
Amazon $621.29$621.29
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Aquasure Harmony 32K for warranty (5 years on the valve, 10 years on the tanks vs 3 years on the valve, 10 years on the tanks) and value ($16.35 per 1,000 grains ($523.29, 32,000 grains) vs $19.42 per 1,000 grains ($621.29, 32,000 grains)).
- Choose the Kenmore 350 for certification (certified to NSF/ANSI 44 vs not certified to NSF/ANSI 44).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 32,000 grains water softener; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aquasure Harmony 32K | Kenmore 350 |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 71 $16.35 per 1,000 grains ($523.29, 32,000 grains) | 55 $19.42 per 1,000 grains ($621.29, 32,000 grains) |
| Salt efficiency 20% | 50 salt efficiency not published (neutral score used) | 50 salt efficiency not published (neutral score used) |
| Flow 15% | 50 service flow not published (neutral score used) | 20 7.2 gpm service flow |
| Warranty 25% | 44 5 years on the valve, 10 years on the tanks | 22 3 years on the valve, 10 years on the tanks |
| Certification 10% | 0 not certified to NSF/ANSI 44 | 100 certified to NSF/ANSI 44 |
Specifications
| Aquasure Harmony 32K | Kenmore 350 | |
|---|---|---|
| Capacity | ||
| Rated capacity | 32,000 grains | 32,000 grains |
| Resin | 1 cu ft | - |
| Service flow | - | 7.2 gpm |
| Control | ||
| Valve | Aquatrol digital metered | Kenmore demand valve |
| Regenerates on demand | Yes | Yes |
| App or remote monitoring | No | No |
| Bypass valve included | Yes | - |
| Resin tank | 8 x 44 in | - |
| Certification and warranty | ||
| NSF/ANSI 44 | No | Yes |
| Valve warranty | 5 years | 3 years |
| Tank warranty | 10 years | 10 years |