Central heating chemical water treatment. The efficiency of a central heating system can be greatly reduced by the build up of sludge and limescale. Using water treatment products available from BHL can increase significantly the efficiency of a boiler. Legislation today states that central heating systems should be thoroughly cleaned and flushed before installing a new boiler. During final filling of the system a chemical water treatment should be added to the primary circuit to control corrosion and the formation of scale and sludge and provisions should be made to treat the feed water to water heaters and hot water circuit of combination boilers to reduce the rate of lime scale. Benefits of Water Treatment proven to maintain the energy effiiency of a heating system and extend the system life. Inexpensive way to improve efficiency therefore reducing fuel bills and cutting CO2 emissions. Correct cleaning and protection products will reduce maintenance costs. BHL supply a wide range of Plumbing Water Treatment products from leading manufacturers including Fernox, Liff, Sentinel and Adey Magnaclean. We supply a wide range of Water Treatment to help maintain your Boiler & Plumbing and Heating system. Our products range from Power Flushing Machines, Inhibitors and Cleansers.