# Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) vs GE 40,000 Grain Water Softener (GXSH40V): specs and price compared

A sourced, side-by-side comparison of the Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) (Rheem) and GE 40,000 Grain Water Softener (GXSH40V) (GE) among water softeners. GE 40,000 Grain Water Softener (GXSH40V) is the cheaper of the two at $569.

## Side by side

| Spec | Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) | GE 40,000 Grain Water Softener (GXSH40V) |
| --- | --- | --- |
| US price | $689 | $569 |
| Brand | Rheem | GE |
| Grain capacity | 42.4 | 40 |
| System type | ion-exchange | ion-exchange |
| Flow rate gpm | 9.9 | — |
| Salt efficiency lbs per kgrains | — | — |
| Iron removal ppm | 11 | — |
| Nsf certifications | — | — |
| Smart app control | Yes | Yes |
| Tank warranty years | 10 | — |
| Msrp usd | 689 | 649 |

## Key differences

- Grain capacity: Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) 42.4 vs GE 40,000 Grain Water Softener (GXSH40V) 40
- Msrp usd: Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) 689 vs GE 40,000 Grain Water Softener (GXSH40V) 649

## Sources

- Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42): https://www.rheemwatertreatment.com/product/preferred-platinum/ (rheemwatertreatment.com, verified 2026-06-26)
- GE 40,000 Grain Water Softener (GXSH40V): https://www.geappliances.com/appliance/GE-40-000-Grain-Water-Softener-GXSH40V (geappliances.com, verified 2026-06-26)

Canonical: https://frontdeskreview.com/gear/water-softeners/rheem-rhw42-vs-ge-gxsh40v/
Cite: Per The Front Desk Review, Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) ($689) vs GE 40,000 Grain Water Softener (GXSH40V) ($569) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/water-softeners/rheem-rhw42-vs-ge-gxsh40v/
License: CC BY 4.0.