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What is a Powerflush?

Did you know that a large number of boiler breakdowns are due to dirty water and sludge building up within the boiler and heating system! If dirt and sludge have built up within your central heating system it can have a huge effect on how well and efficiently your boiler is running.

What is a Powerflush

A power flushing unit sends water at high velocity through the system to dislodge the deposits of sludge, rust, and other debris from your central heating system. A thorough power flush will improve heat distribution throughout the property, subsequently lowering household energy bills and increasing system reliability. If left, these contaminants can seriously affect the efficiency of a heating system and in severe cases, a power flush is the only option available.

A Magnetic Chemical Flush

A magnetic chemical flush involves adding a chemical to your central heating system to break down the impurities, which are then picked up by the magnetic filters during the process. The chemical and loose debris are then drained out with the water in the pipe work, which is then replaced with clean fresh water and a chemical inhibitor additive.

Power flush

Book a power flush today


What are the benefits of a Powerflush?

Here are some of the ways in which your heating system would benefit from a power flush:

  • Improves energy efficiency
  • Radiators heat up quicker
  • Increasing lifespan of the system
  • Longevity of valves and components
  • Quieter boiler operation 
  • Increased flow temperatures
  • More reliable i.e. less chance of breakdown

Signs a flush is needed

Below are some of the common signs that your system may be in need of a power flush. It is best to get advice from a professional heating engineer who will be able to advise you whether a power flush is required.

  • The boiler is noisy when running,
  • Leaks coming from your radiators,
  • Radiators have cold patches, particularly at the lower part of the radiator,
  • Your boiler keeps breaking down and requires resetting,
  • Excessive noise from the heating system circulator,
  • Your central heating takes longer than expected to warm up,
  • Cloudy or rusty looking heating water,
  • Some radiators do not heat up as well as others,
  • No water escapes when you bleed a radiator.


We recommend having a power flush on your whole central heating system when having a new boiler installed. Following the initial installment, a flush should be done every 5-6 years to keep your boiler running smoothly and working as you would expect.

  • Your warranty may not valid if fault is created from sludge or a blockage (Worcester Website)

Book a power flush today

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