2. Do I have to have a magnetic boiler filter installed

Do I have to have a magnetic boiler filter installed?

Fitting a filter is considered best practice when installing a new boiler and is already included in a document called BS7593:2019 – Code of practice for the preparation, commissioning and maintenance of domestic central heating and cooling water systems.

 

However, on 15 June 2022, Part L of the Building Regulations changed. Part L is the section that deals with heating in the home. The Best Practice document is becoming a requirement of the Building Regulations, and when a new boiler is fitted, the installer must carry out the following steps:

 

  1. Clean: carry out a system clean and flush
  2. Filter: fit an in-line filter
  3. Inhibit: add scale and corrosion inhibitor to the heating system, low temperature systems must also include a biocide
  4. Maintain: at every annual boiler service they must also clean and service the filter and check the levels of inhibitor in the system water.

Why should I have a filter fitted?

Many boiler breakdowns that occur are due to sludge in the heating system.

The importance of installing a filter on your heating system

In this edition of #TrainingTuesday, Rob Evans, Baxi trainer from our Warrington training centre, takes you through the importance of installing a system filter.

Part L regulations in Scotland

Visit the Gov.scot website to find out everything that you need to know about Part L regulations in Scotland.

Related FAQs

Why should I get the water in my central heating system cleaned?

It’s important to have the water in your central heating system cleaned regularly to prevent sludge buildup, which can lead to blocked pipes and ultimately, cause breakdowns. Repairs needed as a result of sludge are not covered by Baxi warranties.  

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Why should I have a filter fitted?

Boilers tend to break down as a result of sludge building up in the system. A magnetic filter captures these particles and prevents them from entering your boiler system, extending the life of your appliance and reducing the risk of a breakdown.

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Why are my radiators cold?

Cold radiators are usually a consequence of air being trapped inside the radiator. Simply bleed the radiator and the problem should be resolved. Sludge buildup can also cause differences in the top and bottom of your radiator and impact its efficiency. 

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How do I know if I've got sludge in my central heating system?

If you notice your radiators are hot at the top but cold at the bottom, or need to bleed your radiators more often, then you may have sludge built up in your system. 

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Does my boiler filter need cleaning?

Your filter should be cleaned during your boiler’s annual service. This will prevent sludge building up in your system. Some filters come with an app that can warn you when they filter needs to be cleaned, so that you can arrange for your installer to visit before it gets too full.

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