• Central Heating Power flush

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    Do I need A Power Flush?

    A power flush is a cleansing process which aims to remove all deposits of sludge,

    rust and any other debris from your central heating system.

    These contaminants, if left, will seriously affect the efficiency of you’re heating system and in severe

    cases a power flush is the only option available if your central heating is not working as it should.

    Signs that you might need a power flush

    Power Flush

    Duval Heating 07833 224 738

    There are a few of signs to look for before deciding to go ahead with the power flush process.

    These include cold areas on radiators, normally at the bottom,

    kettling noise from your boiler or the central heating system pump,

    dirty water when you bleed the radiators and the slow warming up of the heating system.

    You might also notice the hot water getting slower and not as hot

    if you have a combination boiler, especially if there is a build up of limescale as well.

    It is also recommended that a power flush process is carried out if you intend to

    fit a boiler replacement to an old heating system.

    This is because 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 power flushing process

    The overall aim of a power flush is to restore the full circulation of water around the central heating system,

    however, it can also eliminate noise from the boiler and the pump as well.

    This means that the entire system has to be flushed in order to get the best results.

    Power Flush

    Duval Heating 07833 224 738

    A gas safe heating engineer will connect a power flush unit to the

    central heating system either to the circulation pump in regular boiler systems or the pump head in

    combination boilers and with the help of high strength cleansing chemicals will flush out anything in the system.
    It’s also a good idea to fit a Magna clean to the system, once

    the power flush has been carried out.

    This will then help protect the system.

    The chemicals used during a power flush include a sludge crust breaker and remover to help get rid of rust and sludge, a

    descale 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.

    The costs and time needed for a power flush

    Most power flushing professionals state that a full power flush will take around 3 to 5 hours to complete. This is an estimate though as some badly affected heating systems will require more time whilst others may be finished quicker.

    The price of a full system power flush varies with location and the size of you’re heating system and can range from £350 up to £1200+. Occasionally the descale isn’t included in the original quoted price and needs to be paid for on top.

    It is important that your central heating system is as efficient as it can be at all times and although a power flush can be an expensive process, it can also save a lot of money over time with regard to you’re heating bills but should be used in conjunction with a complete boiler service for best results.Power Flush

    The process is clean and safe when done by a professional and can quickly eliminate cold radiators and noisy boilers and pumps thus restoring you’re heating system to the condition it was when new.

    For more information on power flushing or even to book an appointment, enter your details in the box below….

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