The Sentinel Product Range

Browse Products by System Type

Central Heating Systems

Hot Water Systems


Check out our video on best practice

The Benefits of Water Treatment

Watch this short video to find out more about the benefits of best practice water treatment for both installers and homeowners.

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The Sentinel System - Clean, Protect, Maintain

The Sentinel System

Lifetime protection for heating and hot water systems with the best practice process of Clean, Protect and Maintain


Got a question? Need advice on which product may be best suited to the job at hand?

Our Support Centre is packed with videos, FAQs and How To guides, whether you're dealing with a specific issue or simply want to know more about water treatment.

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Buy Online

Already know which products you need?

Check our list of stockists for your favourite merchant.


Online Training

Our e-learning modules explain the problems caused by scale and corrosion and how to prevent them.


Guarantee Registration

Purchased a Sentinel product? Register your guarantee online today.


Case Studies

"Using the best simply makes sense – it gives peace of mind to the customer and the installer!'

Read our latest case studies to see how Sentinel products feature in varied installation and maintenance work, from domestic housing to zoological buildings.

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