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What is a powerflush?

//What is a powerflush?

What is a powerflush?

Powerflush is a cleansing process with the purpose of removing deposits of sludge, rust and other substances which forms within your boiler and radiators including pipework’s.

These substances can cause damage to the boiler and heating system decreasing  the efficiency of the system.

Why Powerflush?

Over time your heating system will deposit unwanted substances due to water, also referred to as sludge by professional engineers. These unwanted substances will cause your boiler or heating system to work less efficiently and could result in your boiler breaking down, requiring a boiler replacement.

Why Do I Need A Powerflush?

Powerflush is the solution to clean your central heating system and improve its performance. System powerflush is recommended every 5 years to keep the central heating system clean. Copper heat exchangers are more durable than stainless steel, meaning they will corrode at a quicker rate. It is recommended to powerflush your central heating system before the install of the new boiler to keep the system clean and save the new boiler from getting damaged by rust or debris.

When Do I Need A Powerflush?

There are number of things which will help you identify if you need a powerflush for your central heating system.

  • Heating is slow to warm up
  • Cold areas at the bottom of the radiators
  • Excessive noise from the boiler or heating system pump
  • Hot pipes but cold radiators
  • Cloudy tap water- Limescale in system
  • No water escape when you bleed a radiator
  • Small leaks in radiators
  • Some radiators struggle to heat up as well as others
  • Boiler regularly shuts down and needs restarting
  • Discoloured water when you bleed radiators
  • Noisy radiators or noisy boiler
  • Radiators not getting hot

If you do get your boiler service annually then a Gas Safe engineer should be able to identify the potential areas of sludge build up.

How Does Powerflush Work?

Powerflush is performed by pushing through special chemicals into the system. An engineer will connect a pump to your exiting central heating system and this pump will push chemicals through the pipes, boiler and radiators.

There are certain chemicals that can remove rust and sludge. A de-scaler will remove limescale and an inhibitor will help prevent future rust. The gas safe engineer will show you the temperature before the powerflush and you will see improved temperatures once powerflush is completed.

The whole process could take 5-10 hours depending on the extent of the problem and the number of radiators.

Mostly powerflush is completed within a day but some jobs may take extra time if the engineer has to replace or repair the central heating system.

 Advantages 

Here are some of the ways you can improve efficiency of your heating system:

  • Reliable heating system
  • More efficient heating system
  • Quieter boiler and radiators
  • Radiators will heat up quicker
  • Hotter radiators
  • High hot water temperatures
  • Increased life of heating system
  • Less chance of a break down

Who Can Perform a Powerflush?

It is recommended to use a professional engineer to powerflush your heating system. Powerflush can be tricky and could cause problems so it is not recommended to do it by yourself. It could damage your heating system or boiler and warranties could become invalid. A gas safe engineer will provide you with a certificate to prove powerflush has been carried out.

How Much Powerflush Cost?

Main cost of powerflush depends on the size of your heating system and the work involved. A power flush can cost anything between £300 to £800 plus. Sometimes there are added costs if any damaged parts need to be replaced e.g. Thermostatic valves or Radiator valves.

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2019-03-29T10:56:39+00:00
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