Key takeaways
- Specific numbers beat marketing language.
- Refusal to answer is itself an answer.
The list
1. Sustained output at 60 minutes? 2. Continuous run-time before throttle? 3. Purity test method? 4. CE, FCC, RoHS, ISO 9001, ISO 13485 documents available? 5. Warranty length and coverage? 6. Spare parts availability and price? 7. Service turnaround? 8. Water type required? 9. Power draw at peak? 10. Acceptable input voltage range? 11. Country of manufacture? 12. Returns policy?
Frequently asked questions
Walk away. Engineering-led vendors have these answers ready in writing.
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Related learning
Purity, tablets & bathing
- Hydrogen Bathing vs Hydrogen Tablets — Saturation versus dilution, compared in full.
- Hydrogen Water Purity — model-specific gas composition from SPE/PEM electrolysis.
- Hydrogen Tablets: What You Should Know — What dissolving reactive material can leave behind.
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