Product Manuals and Guidance
Instructions, dosing information and FAQ's for our chemical, filter and scale protection products.
Read our latest blog
Water treatment and protection best practice, industry comments and trade competitions.
Check Water Hardness
Use our simple postcode checker to find the hardness of the water in your area.
The use of Sentinel water treatment is endorsed by all major international boiler manufacturers to protect their products in both the domestic and commercial markets.
Not sure what products are best for the job? This is a simple tool to quickly help you find the best practice solution. In 3 questions or less, it'll show you the products best suited to your job.