Welcome to the Sentinel Solutions store. Here you will find the complete range of Sentinel products designed to protect heating and hot water systems. As an authorised online stockist of Sentinel products, we are able to offer you fast delivery and great prices on products including water treatment chemicals for heating systems including renewables such as solar and air source heat pumps. We also stock and supply physical Sentinel products such as filters and test kits. You can see a great range of products from Sentinel and alternative manufacturers in our comprehensive Water Treatment Category.