Power flushing central heating systems is a very important part of ensuring our clients heating continues to work effectively.

Unless radiators are well maintained, there are a variety of issues that can occur with them, eventually leading to a reduction in their efficiency and heat-output, or worse.  Such issues include:

  • Dirty black or brown water present when bleeding radiators.
  • Radiators slow to heat up due to blockage.
  • Radiators cold all over due to blocked valves and pipes.
  • Radiators cold at the bottom due to black sludge build up.
  • Little or no hot water due to blocked pipes and heat exchangers.
  • Boiler cutting out and no circulation due to blocked pump.
  • Radiators cold at top and need bleeding due to gases, a bi product of rusting.
  • Having to bleed radiators regularly.
  • Pin holed leaking radiators.
  • Irritating boiler noise from sludge or lime scale build up – a warning sign of imminent costly problems.

If you recognise any of the above, then your heating system may be in need of a chemical power flush.

We can carry out chemical power flushing without any mess or major upheaval due to our Kamco power flush machine, which enables us to connect to your system central heating pump or radiator.  This enables us to flush the whole system without having to remove all of the radiators and create unnecessary inconvenience.  We have had the relevant training from Kamco and are members of the ‘Powerflush Association’.

As can be seen from the picture, our Kamco magnetic filter is fitted in line with the power flushing machine, it will then catch and trap any sludge passing through the system, removing any iron oxide (sludge).

Whilst power flushing we add a sludge remover chemical, which dissolves and mobilises the rust, along with any sludge and corrosion deposits which accumulate in central heating systems as a result of gradual decay.  Once we have all the sludge removed from your heating system, we flush the system with clean water until each radiator runs clear and the PH levels are correct – we then neutralise your system with the correct dosage of Fernox F1 inhibitor.

All boiler manufacturers now advise that heating systems should be power flushed on new boiler installations.  If power flushing is not carried out it could invalidate the boiler warranty.

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