Salt-free conditioner · checked 16 Oct 2026
Aquasana Salt-Free Water Conditioner
Model WH-SFWC-S · replacement parts WH-SFWC-SR, EQ-303-20, EQ-PFC.35
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 |
|---|---|---|---|---|---|
| Scale | “Independently tested to naturally and safely reduce scale buildup on internal pipes and plumbing.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Aquasana says to replace each part. Real filter life depends on how much water you use and what is in it.
| Part | Brand says replace every | Changes a year | Source, date checked |
|---|---|---|---|
| Salt-Free Water Conditioner tank (WH-SFWC-SR) | 10 years or 1,000,000 gallons“The Salt-Free Water Conditioner is designed to last up to 10 years or 1,000,000 gallons.” | 1 every 10 years | brand sourcechecked 16 Oct 2026 |
| 20" pre-filter (EQ-303-20) | 2 months“20" Pre-Filter Replacement – 3 Pack Replace every 2 months” | 6 | brand sourcechecked 16 Oct 2026 |
| 10" post-filter (EQ-PFC.35) | 6 months“10" Post-Filter Replacement Replace every 6 months” | 2 | brand sourcechecked 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: WH-SFWC
- NSF listing search: Aquasana
- WQA listing search: WH-SFWC
- WQA listing search: Aquasana
- IAPMO R&T listing directory
What the brand says about certification
- “Independently tested to naturally and safely reduce scale buildup on internal pipes and plumbing.” source checked 16 Oct 2026