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Power Flushing
Why Does My Central Heating Need
Power flushing?

Rust occurs in all central heating systems producing a
black (iron oxide) sludge and, in hard water areas, lime
scale builds up in combination boilers just like in your
kettle causing the following problems:

  • Radiators cold at bottom due to black sludge.

  • Radiators cold all over due to blocked valves and
    pipes.

  • Radiators cold at top due to trapped hydrogen
    gas, a by product of system rust.

  • Radiators cold at top and need bleeding.

  • Boiler cutting out and no circulation due to
    blocked pump or heat exchanger.

  • Irritating boiler noise from lime scale and sludge
    build up, a warning sign of imminent costly
    problems.


Any of these symptoms could indicate that your central
heating system has circulation and flow problems
resulting from internal corrosion and the subsequent
formation of rust, sludge and scale deposits. A power
flush can restore circulation and efficiency to your
central heating system by removing these undesirable
products.
We at Docklands Plumbers also install a MagnaClean
to the central heating system which is a proven
technology, to guarantee central heating system
protection against further build-up of iron oxide.
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