If your central heating system is older than 5 years & not been flushed with appropriate chemicals your system is in danger off corroding from the inside out damaging all major components e.g (boiler, pumps, radiators, valves, mechanical valves & air vents). This service will give you a fully efficient system saving you money on your energy bills and allow your system to survive a long mechanical life with this service a magnet filter will be fitted for cost onto the central heating system to pro long the life of the system even more. This filter is highly recommended to pro long the life of your.