WaterBoss
WaterBoss 700 22,000 Grain Water Softener
$529.99
Best Water Softeners · head-to-head
WaterBoss 700 22,000 Grain Water Softener vs EcoPure EP42 42,000 Grain Water Softener
A sourced, side-by-side comparison. WaterBoss 700 22,000 Grain Water Softener is cheaper at $529.99. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | WaterBoss 700 22,000 Grain Water Softener |  EcoPure EP42 42,000 Grain Water Softener |
|---|---|---|
| US price | $529.99 | — |
| Brand | WaterBoss | EcoPure |
| Released | — | — |
| Grain capacity | 22 | 42 |
| System type | ion-exchange | ion-exchange |
| Flow rate gpm | 16 | — |
| Salt efficiency lbs per kgrains | — | — |
| Iron removal ppm | 10 | 11 |
| Nsf certifications | — | NSF Certified |
| Smart app control | No | No |
| Tank warranty years | 10 | 10 |
| Msrp usd | 529.99 | — |
Sources — WaterBoss 700 22,000 Grain Water Softener: waterboss.com (verified 2026-06-26). EcoPure EP42 42,000 Grain Water Softener: ecopure.com (verified 2026-06-26).
What's the difference between the WaterBoss 700 22,000 Grain Water Softener and EcoPure EP42 42,000 Grain Water Softener?
Where the two actually differ on the specs we track (2 of 9). Matching specs are omitted.
- Grain capacity: WaterBoss 700 22,000 Grain Water Softener 22 vs EcoPure EP42 42,000 Grain Water Softener 42
- Iron removal ppm: WaterBoss 700 22,000 Grain Water Softener 10 vs EcoPure EP42 42,000 Grain Water Softener 11