Water softener (salt) · checked 16 Oct 2026
WaterBoss 900 Whole House Water Softener
Model 900
Lead:not claimedPFAS:not claimed
Each claim, checked
What the brand says, what a certification listing shows for this model, and where each fact comes from. We read listings; we do not test products.
- Certified (listing checked)The certifier’s public listing shows this claim for this model.
- Brand says certifiedThe brand says certified; IAPMO’s listing does not show it. NSF can be checked by hand.
- Brand claim onlyThe brand claims it without citing a certification.
| Contaminant | Brand claim | Standard | Certifier | Confirmed? | Source, date checked |
|---|---|---|---|---|---|
| Hardness | “System Tested and Certified by NSF International according to CSA B483.1 and NSF/ANSI Standard 44 for the reduction of Barium , Radium 226/228 and Hardness reduction.” brand source | NSF/ANSI 44 | NSF (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Barium | “This product is certified for barium and radium 226/228 reduction according to NSF/ANSI Standard 44.” brand source | NSF/ANSI 44 | NSF (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Radium | Same statement as for Barium. brand source | NSF/ANSI 44 | NSF (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Iron | “Removes up to 10 ppm of clear water iron” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Chlorine | “features a 38,000 grain capacity for a household of 6+, and filters out sediment and chlorine” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Particulates | “Built-in self-cleaning filter removes water stains, spots, calcium, ferrous iron, dirt, and sediment” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Taste and odor | “Chlorine (for better taste and odor removal)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Hydrogen sulfide | “Sulfur smell (in some water types)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
A salt softener has no filter cartridge to change; you add salt as it runs low. WaterBoss doesn’t state a resin life on the brand pages we read (checked 16 Oct 2026).
Certification listings found
No IAPMO R&T listing matched this model when we searched on 16 Oct 2026.
Check it yourself
NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model:
- NSF listing search: WaterBoss 900
- NSF listing search: WaterBoss
- WQA listing search: WaterBoss 900
- WQA listing search: WaterBoss
- IAPMO R&T listing directory
What the brand says about certification
- “System Tested and Certified by NSF International according to CSA B483.1 and NSF/ANSI Standard 44 for the reduction of Barium , Radium 226/228 and Hardness reduction.” source checked 16 Oct 2026
- “This product is certified for barium and radium 226/228 reduction according to NSF/ANSI Standard 44.” source checked 16 Oct 2026
- “This product is efficiency rated according to NSF/ANSI 44.” source checked 16 Oct 2026
Performance data sheet (names NSF International)