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What is a Powerflush?
Signs that you might need a powerflush
There are a number of signs to look for before deciding to go ahead with the powerflush process. These include cold areas on radiators, excessive noise from the boiler or the heating system pump, discoloured water when you bleed the radiators and the slow warming of the heating system. You might also notice the tap water getting cloudy, especially if there is a build up of limescale as well.
It is also recommended that the powerflush process is carried out if you intend to connect a new boiler to an old heating system. This is because most new boilers are condensing boilers and any contaminants already present in the heating system can quickly damage the internal pipe work of the new boiler.
The powerflushing process
The chemicals used during a powerflush include a sludge crust breaker and remover to help get rid of rust and sludge, a descaler to break down limescale and a corrosion inhibitor to stop further rusting from occurring. The crust breaker and remover are acid-based so that they help to combat any rust present and any other debris, such as sand particles, that might have settled in the radiators, pipes and boiler. At the end of the process there is no acid left in the central heating system's water.
Cost and time needed for a powerflush
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