# WaterBoss 700 22,000 Grain Water Softener vs EcoPure EP42 42,000 Grain Water Softener: specs and price compared

A sourced, side-by-side comparison of the WaterBoss 700 22,000 Grain Water Softener (WaterBoss) and EcoPure EP42 42,000 Grain Water Softener (EcoPure) among water softeners.

## Side by side

| Spec | WaterBoss 700 22,000 Grain Water Softener | EcoPure EP42 42,000 Grain Water Softener |
| --- | --- | --- |
| US price | $529.99 | not published |
| Brand | WaterBoss | EcoPure |
| 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 | — |

## Key differences

- 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

## Sources

- WaterBoss 700 22,000 Grain Water Softener: https://www.waterboss.com/whole-house-water-softener-model-700/ (waterboss.com, verified 2026-06-26)
- EcoPure EP42 42,000 Grain Water Softener: https://ecopure.com/product/42000-grain-water-softener-ep42/ (ecopure.com, verified 2026-06-26)

Canonical: https://frontdeskreview.com/gear/water-softeners/waterboss-700-vs-ecopure-ep42/
Cite: Per The Front Desk Review, WaterBoss 700 22,000 Grain Water Softener ($529.99) vs EcoPure EP42 42,000 Grain Water Softener (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/water-softeners/waterboss-700-vs-ecopure-ep42/
License: CC BY 4.0.