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Central Heating Power Flushing
It is impossible to prevent corrosion and the gathering of sludge in your central heating system, even when properly maintained. Any system that is more than a few years old will benefit from routine cleaning to remove the sludge and scale and a ‘Power Flush’ does just that.
Power flushing involves draining of the system and insertion of a powerful cleansing agent. The system is then allowed to circulate until satisfactory system performance is restored. The system is then flushed and refilled using a corrosion inhibitor to help prevent further problems.
A suitably qualified central heating engineer should carry out power flushing. This is not something to attempt yourself, particularly if your engineer also needs to open up your boiler or examine other faults in your central-heating system. MP Gas and Plumbing central-heating engineers are registered with Gas Safe.
Symptoms of a system that is likely to require power-flushing are: boiler noise, cold spots on radiators and general poor performance.
Circulation problems caused by the build up of corrosion can normally be removed by thorough cleaning or power flushing.