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Power flushing machine and hoses set up in a customer's kitchen, photographed by Pureflo

Plumbing & heating services

Help your heating circulate as it should.

Power flushing can be useful when contamination affects a suitable heating system. Pureflo starts with the symptoms and condition of your system, not an automatic recommendation.

A treatment for the right problem

Poor circulation and contamination can affect a heating system, but not every heating fault calls for a power flush. Radiators that heat unevenly, repeated circulation problems or concerns raised during other heating work are reasons to investigate, not a diagnosis on their own.

Pureflo offers power flushing in Guildford, Woking and its wider Surrey service area. Our gallery includes a power-flushing setup from one of our jobs, alongside boiler and cylinder work.

What power flushing is intended to address

Power flushing uses specialist equipment to circulate cleaning fluid through a suitable heating system to help remove deposits and contamination. The proposed method needs to reflect the system’s condition and the problem being addressed.

It cannot repair a failed component or make unsuitable pipework sound. Existing leaks, weak fittings and other defects may require attention separately. A conversation about likely benefits should also explain the limitations and any preparatory work.

Start with a useful description

Tell us which radiators are affected and whether the issue occurs throughout the home. Include the boiler make and model if known, the approximate number of radiators and whether the system has been altered or cleaned before.

It is helpful to know if the heating takes longer than it used to, whether hot water is also affected and whether there are visible leaks. Please avoid opening appliance covers or disturbing pipework to gather information. Our cold radiator guide has a short observation checklist.

What to agree in the quotation

The scope should identify the system being treated, any required access and the expected interruption to heating. Discuss whether related repairs, protective measures or follow-up checks are included.

Pureflo’s published guide starts at £580, excluding VAT, subject to consultation. This is not a universal fixed price: radiator count, system condition, access and any associated repairs affect the quotation. Ask for the total including any applicable VAT and a written description of what is included before booking.

A small straightforward system and a larger one with difficult access can involve different work. We do not promise a fixed energy saving. The aim is a clear explanation of the proposed treatment and why it is suitable for your situation.

Flushing alongside other heating work

If you are arranging a boiler installation, system preparation should be discussed as part of the overall plan and the appliance manufacturer’s requirements. That does not mean every replacement needs exactly the same cleaning method.

If the problem turns out to be a control, valve or other repair issue, heating fault investigation may be the more relevant route. Our power flushing guide helps you prepare questions before booking.

Check availability in your area

Contact Pureflo with your postcode, radiator count and a description of the symptoms. Ryan can discuss the next step, whether an assessment is needed and what information would help produce an appropriate quotation.

Common questions

Before you book.

Questions about your particular home?
Talk to Ryan →

Will power flushing fix every cold radiator?
No. A cold radiator can have several causes. The system needs assessing to decide whether flushing, a targeted repair or a different approach is appropriate.
How much does a power flush cost?
The size and condition of the system, radiator count, access and proposed scope affect the quotation. Contact Pureflo with those details for a job-specific discussion.
Can an old heating system be power flushed?
Age alone is not enough to decide. Existing condition, components and any weaknesses need considering before the method and scope are agreed.

Contact Pureflo

What do you
have in mind?

For repairs, call to check availability.
For planned work, send a few details and your postcode.

07471 892707

Speak to Ryan · Monday–Friday, 8am–5pm

Prepare an email enquiry