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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.

X100 Rapid Dose

X200 Rapid Dose

X400 Rapid Dose

X800 Rapid Dose

X100 1Qtr

X100-5 Gallon

X200-1Quart

X200-5Gallon

X400-1 Quart

X400-5 Gallon

X500-5 Gallon

Vortex300-1inch

Vortex500-1inch

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Documentation

“WARNING: the technical information provided on this website is for qualified HVAC technicians only.  High voltage equipment/appliances can cause serious injury or death if proper precautions aren’t used while servicing said products.”

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