How to drain a central heating system? In order to repair a leak, central heating systems must regularly be drained. It is important to consider that regular maintenance of your central heating system is required for it to last as long as possible. Your central heating system's performance depends on proper maintenance, and it should be drained and cleaned on a regular basis. Dirty water and sludge from scale and rust develop in pipework and at the underside of radiators can cause major problems . You can do a basic cleaning routine yourself if you have the appropriate necessary tools. Likewise, you can have your system ‘power flushed,' which is usually done by a central heating/plumbing expert. You must clean your heating system to increase efficiency and to improve the life of the system. Cleaning your central heating system can also lead to significant savings on your heating bills. . Even though there are many reasons why you can do it, do you know the s...