# Whirlpool WHES40E 40,000 Grain Water Softener vs EcoPure EP42 42,000 Grain Water Softener: specs and price compared

A sourced, side-by-side comparison of the Whirlpool WHES40E 40,000 Grain Water Softener (Whirlpool) and EcoPure EP42 42,000 Grain Water Softener (EcoPure) among water softeners.

## Side by side

| Spec | Whirlpool WHES40E 40,000 Grain Water Softener | EcoPure EP42 42,000 Grain Water Softener |
| --- | --- | --- |
| US price | $629.99 | not published |
| Brand | Whirlpool | EcoPure |
| Grain capacity | 40 | 42 |
| System type | ion-exchange | ion-exchange |
| Flow rate gpm | — | — |
| Salt efficiency lbs per kgrains | — | — |
| Iron removal ppm | 10 | 11 |
| Nsf certifications | NSF/ANSI 44 | NSF Certified |
| Smart app control | No | No |
| Tank warranty years | — | 10 |
| Msrp usd | 629.99 | — |

## Key differences

- Grain capacity: Whirlpool WHES40E 40,000 Grain Water Softener 40 vs EcoPure EP42 42,000 Grain Water Softener 42
- Iron removal ppm: Whirlpool WHES40E 40,000 Grain Water Softener 10 vs EcoPure EP42 42,000 Grain Water Softener 11
- Nsf certifications: Whirlpool WHES40E 40,000 Grain Water Softener NSF/ANSI 44 vs EcoPure EP42 42,000 Grain Water Softener NSF Certified

## Sources

- Whirlpool WHES40E 40,000 Grain Water Softener: https://www.fleetfarm.com/detail/whirlpool-40-000-grain-capacity-electric-water-softener/0000000091831 (fleetfarm.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/whirlpool-whes40e-vs-ecopure-ep42/
Cite: Per The Front Desk Review, Whirlpool WHES40E 40,000 Grain Water Softener ($629.99) vs EcoPure EP42 42,000 Grain Water Softener (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/water-softeners/whirlpool-whes40e-vs-ecopure-ep42/
License: CC BY 4.0.