Can I refurbish a worn machine?

Professional models accept replacement stacks. Consumer models are usually replaced rather than refurbished.

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Level 3 · Advanced· 5 min read·Updated 2026-06-27

Machine lifespan

A well-maintained PEM hydrogen machine typically delivers 5+ years of daily use. Wrong water and skipped maintenance are the two biggest lifespan killers.

Key takeaways

Typical service life: 5+ years of daily use.
Wrong water shortens membrane life by 70%+.
Quality machines flag service intervals automatically.

What ages a PEM stack

Catalyst poisoning from mineral water, repeated dry starts, and chronic over-temperature operation each shave months off membrane life. None of them are sudden failures — output drifts down gradually until the machine stops meeting its spec.

Frequently asked questions

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Source content adapted from guides/how-long-does-a-hydrogen-inhaler-last.