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How Often Do I Need To Power flush My Central Heating System?

How often do I need to power flush my central heating system?

Regular power flushing is essential if you want to maximise your boiler’s lifespan and efficiency, but how often do you need to have one? Find out more in this article.

From prolonging the life of your boiler to improving the energy efficiency of your system, there are many ways you (and your home!) can benefit from regular power flushing.

If you fail to keep up with your power flushing duties, you run the risk of your boiler becoming damaged beyond repair. And replacements don’t come cheap.

But how often should you be power flushing your system to keep this from happening?

Here, our power flushing experts reveal how often you should really be power flushing your central heating system.


How often should I power flush my central heating system?

There’s no one answer to this question, as there are a few different factors that determine how often your central heating system needs to be power flushed, including:


  • The type of boiler you have
  • How old your system is
  • How well you take care of your system


As a general rule, if your boiler is over 5 years old, you should – ideally – have it power flushed every five to six years. Systems under 5 shouldn’t need to be power flushed.

Depending on the type of boiler you have (combi, regular, system, etc), and how well you take care of it, you may be able to leave up to 10 years between power flushes.


How can I tell if my boiler needs power flushing?

If you’ve been putting off getting a power flush – or, until now, thought it was optional – there are several red flags to look out for that will tell you one is well overdue.

You may have noticed cold spots on your radiators, or that they’re taking much longer than usual to heat up.

Maybe your boiler has started to make strange banging noises, or when you bleed your radiators, perhaps the water is a rusty, brown colour.

All these signs point to a build-up of rust and other debris somewhere within your central heating system’s pipes, and a power flush will help clear your pipework and restore full boiler/radiator function.


How long does a power flush take?

The length of a power flush varies depending on the type of boiler you have and the scale of the build-up in your pipes, as well as the size of your property and how many rooms/radiators you have.

It shouldn’t take an engineer longer than a day to completely power flush your system, and they’ll do this by connecting a powerful pump to your boiler and flushing a cocktail of strong cleaning chemicals through your pipes to dislodge everything inside.


Book your next power flush with the experts at Powerflush Geek!

If the time for your next power flush is fast approaching, or you’re experiencing strange boiler symptoms you think a power flush could solve, consider the job done with Powerflush Geek.

We’ve been helping our customers in the North West maintain their central heating systems for many years, and we have all the necessary skills and experience to get your boiler back on the mend.

To book an appointment with our expert engineers, or to find out more about the power flushing process and costs, get in touch with us today by calling 07444 203 403 or emailing info@powerflush-geek.co.uk and we’ll get back to you shortly!

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