Bath One™ vs S69
The two dedicated hydrogen bath systems in the Hydrogen Machines range, fully specified side-by-side.
Specifications at a glance
| Bath One™ (WZ-1) | S69 | |
|---|---|---|
| Form factor | Free-standing flagship unit | Compact dedicated bath unit |
| Delivery | Dual hose to in-bath diffusers | Single hose to in-bath diffuser |
| Bath saturation time | Faster — higher hydrogen flow | Standard — designed for typical home bath |
| Control | Full-colour touchscreen with cycle selection | Simple control panel |
| Cell technology | SPE/PEM, large stack | SPE/PEM, compact stack |
| Daily-use design life | Engineered for long-life, multi-year daily use | Engineered for daily home use |
| Noise | Quiet — designed to run during a bath | Quiet — designed to run during a bath |
| Installation | Plug-in, hoses to bathside, no plumbing | Plug-in, hose to bathside, no plumbing |
| Intended setting | Premium home, retreat suite, treatment room | Home bathroom, smaller spaces |
| Certifications | CE, FCC, RoHS, ISO 9001, ISO 13485 | CE, FCC, RoHS, ISO 9001, ISO 13485 |
| Warranty | 12 months | 12 months |
Specifications describe hardware and engineering parameters. They are not medical or therapeutic statements.
Key similarities
- Both are dedicated hydrogen bath systems — not inhalers repurposed for water
- Both use SPE/PEM cell technology at 99.99% purity
- Both install without plumbing — diffusers drop into a standard household bath
- Both carry the same certification stack and 12-month warranty
- Both are designed to run quietly enough to use during the bath itself
Key differences
- Hydrogen output: Bath One™ delivers higher flow for faster saturation
- Delivery: Bath One™ uses dual hoses and diffusers; S69 uses a single hose
- Control: Bath One™ has a full touchscreen and selectable cycles; S69 has a simpler panel
- Form factor: Bath One™ is a free-standing flagship; S69 is a compact bench unit
- Price tier: Bath One™ is the flagship; S69 is the more accessible dedicated bath option
Which one fits you?
You want the flagship dedicated hydrogen bath system, expect long-life daily use across the whole household, prefer touchscreen control with selectable cycles, and want the fastest saturation time available.
You want a dedicated hydrogen bath system without the flagship investment — a compact unit that delivers a fully hydrogen-saturated bath at a more accessible price point, ideal for smaller bathrooms or single-user routines.
Both systems carry CE, FCC and RoHS marks and are produced in ISO 9001 / ISO 13485-aligned facilities. These certifications describe hardware and manufacturing, not therapeutic status.
View all certifications →Both share the same maintenance philosophy: periodic cell rinse, diffuser cleaning, and standard distilled-water top-up. Bath One™'s larger cell stack typically extends the service interval; the S69's smaller stack is correspondingly simpler to service.
Frequently asked questions
- Is Bath One™ the same as the WZ-1?
- Yes — Bath One™ is the consumer name; WZ-1 is the model code. Same product.
- Can I use an inhaler in the bath instead?
- Hydrogen inhalers are not designed for bath use. To hydrogen-saturate a bath you need a dedicated bath system — Bath One™ or S69 — with the gas flow and diffuser geometry built for water.
- Do I need plumbing for either machine?
- No. Both are plug-in units. The diffuser hose drops into a standard household bath; no permanent install required.
- Will the S69 saturate a full-size bath?
- Yes — the S69 is engineered to saturate a standard household bath. Saturation time is longer than the flagship Bath One™ because output is lower.
- Which one should I pick for a wellness retreat or treatment room?
- Bath One™. Its higher output, dual delivery and touchscreen cycle control are designed for the back-to-back use a commercial setting demands.