How to Clean and Maintain Your Home Radiators


As efficient and as practical as the home radiator is, they still need their fair share of maintenance to keep them working optimally. The water circulating within the system can pick up deposits which can play havoc with your radiator’s ability to do its job properly.

If it sounds like your radiators need a clean, keep reading to see how you can get them working as if they were fresh off the showroom floor.

The Power Flush

The build up found within radiators is typically known as sludge. As unpleasant as the name suggests, sludge can reduce the efficiency of each radiator as well as prevent them from working completely.

The easiest way to remove sludge deposits is through a process known as power flushing. Best left to a professional, power flushing works by;

  • Pumping water at a low pressure but at high speed through your central heating system
  • This dislodges any built up sludge and debris that is otherwise difficult to remove
  • Any debris picked up is removed from the system through your outlet pipe
  • Each radiator can remain in situ for convenience
  • Prices for this service are typically around £250 for the whole system

A plumber will usually add a corrosion inhibitor to the cleaning solution which will prolong the lifespan of your heating system.

Manual Cleaning

If only one radiator is failing to provide heat or is working inefficiently, it may be worthwhile trying to clean the individual radiator. This is done by:

  • Turning off your central heating system for at least three hours so that any water in the system is cold.
  • Place towels on the floor around the radiator and keep a bucket to hand for cleaning up any spillage.
  • Turn both of the radiator’s valves off. The temperature control valve should be done by hand but the lockshield valve may require a wrench. Remember how many turns were required as you will need to reverse this procedure once complete.
  • Loosen each nut located on the thermostatic valve and then use a radiator key to open the bleed valve. At this point, a few litres of dirty water should flow from the valve.
  • Turning the nut on the lockshield valve should allow you to take the radiator off the wall where you can then carry it outside and rinse it out with a hose.
  • This process should remove most of the sludge and debris contained inside.

Designer Radiators

If your radiators are past their best or if you just fancy new ones, consider replacing them with a more up to date design. Designer radiators are available in a range of colours and can be specified for any room in the home. Currently on trend, the vertical radiator not only has the ability to heat your home more effectively but will also add a touch of class, acting as a focal point for the room.

Your average radiator as well as designer radiators are available at any good DIY store. The Designer Radiator Company provides radiators for homes and can deliver nationwide. If replacing more than one, make sure you obtain several quotations.

Radiators are a vital aspect of heating your home so make sure they are working at their best.

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