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Power Flushing

Most central heating systems contain some magnetite sludge, many old systems contain excessive amounts. This is why power flushing has become a valid part of the services we now provide.

Why is Power flushing my boiler system important?
Power flushing is a term used in the heating trade to denote the process by which heating systems are forcibly cleansed using water at high velocity, but low pressure, so that no physical damage is caused to the system. The process can be made even more effective with the extra help of powerful cleansing and mobilising agents.

The aim is to restore systems with circulation and boiler noise problems (caused by sludge and corrosion deposits) to optimum operation. Power flushing removes these deposits and the problems that they can cause.

Power flushing, in conjunction with system pre-clean is also a very good way to pre-commission clean new heating systems, to remove excess flux, swarf and other debris, and the grease and oil used to prevent rusting of components before use.

It is wise to power flush a heating system before fitting a new boiler to an existing system to prevent possible future problems. Many systems are found to contain corrosion and sludge, even if no flow problems have yet shown themselves.

Existing debris is often mobilised by alterations to the system/piping and the increased efficiency of the new boiler, and may then collect in the boiler heat exchanger, causing noisy operation, reduced efficiency and, in extreme circumstances cause boiler failure. The high efficiency and compactness of modern boilers, developed to minimise fuel costs and pollution, means that they are more likely to have problems caused by debris in the system water.

Our Power Flushing Services
The above shows the importance of power flushing and this is why we power flush your system with our power flushing machine Kamco CF90 coupled with the combi mag (please visit for more details) together with chemicals (usually Sentinal Ferraquest).

This process will help to clean out any sludge and scale from the system and therefore improve the efficiency of your system, lower gas bills, reduce boiler noise and increase the life of the boiler and pump. After flushing your system we will refill your system with a chemical inhibitor which helps prevent corrosion and keep everything lubricated. The above is recommended my most Manufacturers.

*In addition we will also install a MagnaClean filter. This will help prevent any remaining debris in the system from damaging the boiler. We highly recommend MagnaClean filters and they have recently won CORGI Award 2009 for Product of the Year. Please visit for more details. MagnaClean filters are also used on all British Gas Installations.

To find out more about powerflushing – or if you would like to enquire about a free quotation for a powerflush on your existing boiler then please click here to contact us.

CM3 Gas Ltd, 270 Southend Arterial Road, Hornchurch, Essex, RM11 2SG
Telephone: 01708-474151 - 01245-328862 - 07983404676 - Fax: 01708-474151
Email: | Registered Company No: 05583152 | VAT No: 867497458 | Website: Compass SEO Services