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Power Flushing!

What is Powerflushing ?

Powerflushing is a term used within the industry to chemically clean a central heating system.

Once chemicals have been added a machine is used to create a high velocity of water that clears the debris out of the system.

When carrying out a power flush you should expect the water to be tested for TDS (Total Dissolved Solids).

The aim is to get the system to around 100 parts per million of the cold mains water when measuring the TDS.

Once the water within the system is clean enough a chemical will be added to prevent the sludge forming again.

 

Why would you Powerflush your system

If you are experiencing problems with the efficiency of your system then you may require a Powerflush. The problems a flush will rectify would be:

  • A noisy boiler or system

  •  

    Excessive heating bills

  • The boiler keeps “tripping”

  • Slow heat up time for the radiators

  • Radiators need frequent bleeding

pump
  • System water is black and full of sludge

  • Cold patches on radiators

Thermal image of radiator before power flushing

Before flushing

thermal image of radiator after power flushing After flushing

A Powerflush will solve corrosion related issues; however, it is not a cure for a badly designed system or a faulty component.

A Powerflush is intended to get a system back working as closely as possible to the day it was installed.

The examples on the left, obtained with a thermal imaging camera, show the difference in surface temperature of a radiator before and after a power flush.

 

Contact us for an individual quote on your system.

What next ?

Once the system has been flushed and cleaned it is advisable to add a Magnetic System Filter such as a ‘Magnaclean’ or a ‘Fernox TF1’.

Magnetic System FilterWhilst the Powerflush should remove the debris there may still be a small amount left in the system.

The filter should be fitted to the boiler just as the system water returns so that it can collect any debris and prevent blockages within the boiler, saving money on costly part replacements.

 

These Magnetic Filters can also be fitted to a system that is known to be full of debris to help prevent it from blocking without the need for a Powerflush.

How you can improve your central heating system's efficiency

To work at its best, your central heating system needs clean water flowing through its pumps, pipes and radiators. When sludge and other deposits build up, they create blockages that force the pump to work harder. This can mean you waste energy, and pay more to heat your home and water.

Before installing a new boiler we will determine the most appropriate method to cleanse your central heating system, using either PowerCleanse or PowerFlush, and for long term reliability we will also install a MagnaClean filter.

Power Flushing-Included with all boiler installations

 

This involves attaching a cleansing machine to your central heating system and circulating a cleansing agent through pipes and radiators to loosen and rinse out the impurities. The resultant waste is removed to a suitable exterior drain. Then as part of our normal commissioning process the boiler will also receive a 'hot and cold' flush to remove any impurities left behind by the installation process.

Finally the system will be filled with fresh water and a chemical inhibitor added which is designed to reduce future corrosion and sediment build up.

Why PowerFlush  is right for you

PowerFlush  works by pumping a special cleaner through the central heating system to break down sludge. On its way round the water passes through a device to remove iron magnate, sludge and other impurities, so only filtered water returns to the system. Once the system, has been flushed, we can fit MagnaClean to stop problems recurring.

Advantages include increased energy efficiency, lower bills, a system that last longer and increased radiator efficiency.

MagnaClean Professional-Included with all installations

After installing your new boiler/ system we want to keep your central heating system protected and this is done by installing a MagnaClean® magnetic filter.

The MagnaClean® is fitted onto the pipework of the system and captures iron oxide, preventing large deposits forming on internal components. Our engineer can then clean out the filter during your Annual Service, so it can carry on protecting your system for years.

Powerflushing Frequently asked questions

  • How long does the Powerflush take?

Every job is different but the job is very labour intensive. A small system may take 3 to 4 hours whereas a big system could take as long as 8 to 9 hours.

  • Can Powerflushing cause leaks ?

Due to the nature of the process it is possible that this may occur. However, in the vast majority of cases we do not have any problems.

  • Are the chemicals harmful or dangerous ?

No, domestic heating system chemicals are not. They can be disposed of down a drain as they are environmentally friendly.

  • I am having a new boiler installed and I have been told I have to have a system Powerflush ?

Manufacturers insist that the system is chemically cleansed when a new boiler is fitted. Your system may require a Powerflush but it is not essential.

 

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