What is the System Health Check?

The System Health Check is a premium postal sampling service that diagnoses central heating issues with laboratory precision, enabling the correct action to be taken.

For a detailed, step-by-step guide on how to use the System Health Check, please refer to this guide.

Useful Resources

Visit this comparison page to find the most appropriate test for you.

Explore country-specific availability of Fernox water tests. 

Find authorized retailers and stockists in your area.

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Can't find an answer to your question?

We are continuously adding more guides and FAQ’s to help you set up on the Fernox App, however if you are unable to find an answer to your question, it’s time to reach out.

Contact Support for assistance, and we’ll help resolve the issue promptly.

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