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Powerflush system diagramPowerflushing – what is it?

A powerflush is a deep clean for your central heating system.

It's an effective way of cleaning the whole system (boiler, pipes and radiators) by using a powerflushing machine to flush out any debris.

Why powerflush the system?

Debris from corrosion and limescale can accumulate within the central heating system as soft ‘muddy’ sludge or hard sludge flakes. This reduces heating efficiency and can cause blockages. It might even cause the boiler to shut down.

A clean central heating system runs more efficiently, has fewer breakdowns and lasts longer – saving you money!

When is a powerflush needed?

A powerflush is recommended when installing a new boiler into an existing system (it might be a manufacturer’s requirement), after installing a completely new central heating system or when older systems have symptoms such as:

Sludge in pipe
Boiler noise
Radiators have cold spots
Radiator with cold top needs bleeding Pump failure
fuel usage,
causing up to
30% wastage!
Boiler noise
and failure
cold spots
Radiators have cold tops and
need frequent bleeding
Pump noise
and failure
Powerflush machine

Powerflushing aftercare

After powerflushing, a water treatment conditioner or inhibitor can be added to the system to prevent future problems.

Our thanks to Fernox for use of their images on this page.

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