Sentinel is a company with a clear goal: offer water treatment products and services that provide the best lifetime protection for heating and hot water systems. Originally launched in the UK by Grace Dearborn in 1988 and subsequently a subsidiary of the leading multinational General Electric, Sentinel has operated independently since 2005, expanding its international reach and range of innovative solutions.
Sentinel protects heating and hot water systems by providing best practice solutions and products built on the motto “Clean, Protect, Maintain”. Sentinel has a comprehensive range of products supported by experts to help you achieve best practice protection for domestic and commercial systems.
Sentinel products protect against limescale, corrosion and accompanying problems which can cause system inefficiency or failure. Sentinel products have been endorsed by over 100 manufacturers of boilers, pumps and other hydronic heating components.
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Common Problems Brochure 08-17
How To Brochure (09-08-17)
Sentinel Cleaners (09-08-17)
Sentinel Rapid-Dose Homeowner Leaflet
x200 Product Bulletin
Sentinel X100 Leaflet (09-08-17)
Sentinel Rapid Dose vs Fernox Express
Sentinel TotalSolutions 20-12-17
JetFlush Product Bulletin
Sentinel FACTS Leaflet
Sentinel Product Range Sheet
Sentinel US Range Sheet
x100 Rapid Dose Fact Sheet
x400 Rapid Dose Fact Sheet
X500 Glycol Service Life
Rapid-Dose Protection Leaflet