Power Flushing                                                                                   

Also known as "POWER FLUSHING", "JET FLUSHING" & "HARD FLUSHING".

These are all similar expressions used in the heating trade to describe a process by which heating systems are forcibly cleaned using water at HIGH VELOCITY, but at LOW PRESSURE so that no physical damage is done to the heating system. The addition of powerful cleansing and mobilising agents to the water can facilitate the process. Click on the thumbnail picture to the right to see an animated image demonstrating why power flushing is beneficial.

Why Should we do it ?

• To restore systems with circulation and boiler noise problems, to optimum operation and efficiency, by removing sludge build up and corrosion deposits.
• To pre-commission clean, new heating systems by removing flux, swarf, grease and oil which may enter the system during installation.
• To clean an old system before installation of a new boiler which in many cases is recommended by the manufacturer. Old systems can still contain sludge and corrosion, even if there have been no noticeable flow problems, and this can be mobilised when an old system is disturbed. Due to the high efficiency and compactness of new boilers, they are inherently susceptible to any debris in the water, which may accumulate in the boiler, causing noisy operation, reduced efficiency and, in extreme cases, failure of the boiler.

How Does It Work ?

The power flushing pump is connected into the heating system at a convenient point. The powerful flow, combined with an instantaneous flow reversing device dislodges and mobilises deposits and corrosion which  would be resistant to traditional system cleaning methods.

Once the debris is mobilised, fresh clean water is forced through the heating system, pushing the contaminated water out through a full bore valve to waste. During this process, each radiator is individually flushed, without removing or disconnecting them from the system, by directing the full output of the pump through each radiator in turn.

At the end of the process, the system contains fresh clean water and reinstatement of the system to normal operation takes only a few minutes.

System flushing will not remedy design  or mechanical faults, which should be rectified, but in many cases it will cure any consequential flow problems.