Heat pumps place different demands on system water. Learn what installers should consider when cleaning, protecting and maintaining a heat pump system.
Reduce the risk of avoidable winter heating call-backs with practical advice on frost protection, antifreeze concentration, testing and maintenance.
How to report a cybersecurity vulnerability or incident in a Sentinel product, in line with the EU Cyber Resilience Act (CRA).
Learn when and how to check inhibitor levels during a boiler or heat pump service. Step-by-step guide.
Our first water softener, the high-efficiency, non-electric and compact Sumo unit, is coming to the UK market! Having successfully sold the Sumo in France, Sumo is now available to UK customers, giving access to the benefits and advantages that the Sumo’s technology offers. Installers have an...
As water treatment specialists, we at Sentinel are delighted to bring our first water softener, the high-efficiency, non-electric and compact Sumo unit, to the UK market. Having successfully sold the Sumo in France, we have now made the Sumo available to UK customers, to benefit from the...
Sentinel is a company with a clear goal: we 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. As of 2021, Sentinel is owned by Aalberts N.V., and sits in the hydronic flow control cluster.