Plumber in London

Boiler Power Flushing in London

If your radiators are cold in places, your boiler is noisy, or your heating takes too long to warm up, it might be time for a boiler power flush in London. At Arcas Plumbing, we provide professional power flushing services that clear sludge, rust, and debris from your central heating system—boosting efficiency and helping you save on energy bills.

This intensive cleaning process improves water circulation, reduces strain on your boiler, and extends the life of your entire heating system. All work is carried out by our qualified engineers using industry-approved equipment for reliable, long-lasting results. For homes and businesses across London, power flushing is a smart investment in comfort, performance, and peace of mind.

 Signs You Need a Power Flush

  • Cold spots on radiators
  • Noisy boiler or heating system
  • Frequent boiler lockouts or breakdowns
  • Dirty or discoloured system water
  • Radiators slow to heat up
  • Uneven heating throughout your home

What’s Included in Our Power Flushing Service?

Our power flushing process uses specialised equipment to safely and thoroughly cleanse your system:


  • Inspection of system flow and radiator performance
  • Connection of high-powered flushing equipment
  • Circulation of cleaning chemicals to break down sludge and limescale
  • Targeted flushing of radiators, pipes, and boiler components
  • Removal of all contaminants and debris
  • System refill with clean water and inhibitor solution
  • Final performance checks and pressure testing



This service is ideal before installing a new boiler or when restoring an old one to peak performance.

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FAQs

How long does a power flush take?

Most power flushing jobs take 4–6 hours, depending on the size of your system.

Will it fix cold radiators?

Yes—power flushing is specifically designed to restore full heat circulation by removing internal blockages.

Is power flushing safe for old systems?

Yes, when done correctly. Our engineers assess the condition of your system before starting to ensure safety.

How often should it be done?

Every 5–7 years is typical, or sooner if your system shows signs of sludge buildup or poor performance.

Still have a question?

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We serve London and the surrounding towns and commuter areas.

Enfield

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Croydon

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Newham

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Brent

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Ealing

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Barnet

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Wandsworth

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Hillingdon

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Kingston upon Thames

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Guildford

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Redbridge

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Tower Hamlets

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London

About Arcas Plumbing

A Team of Reliable Full-Service Plumbing Experts for Homes and Businesses Across London.


With over 15 years of experience delivering expert plumbing services across London, Arcas Plumbing is your trusted, family-run local business. From quick fixes to complex plumbing and heating issues, our skilled engineers provide honest advice, fast diagnostics, and reliable solutions—all at competitive prices.

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Arcas Plumbing in London

Have an Emergency?


Need help with plumbing or heating? Arcas Plumbing offers fast, affordable emergency services—just a call away.

For immediate assistance with plumbing emergencies in London, reach out to us:

Phone: 077 2365 1551 

Online Contact Form: Contact Us