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Bleeding Your Radiator

If your radiators are not generating as much heat or is making strange whistling noises that the chances are they may need bleeding, it is not uncommon to need to bleed your radiators and is recommended to do so on a yearly basis

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If your radiators are not generating as much heat or is making strange whistling noises that the chances are they may need bleeding, it is not uncommon to need to bleed your radiators and is recommended to do so on a yearly basis, it is best to do so in autumn as you will begin to increase the amount of use your heating will get as you go into the winter. If you are restarting your boiler it may also be worth bleeding your radiators as this can often cause an increase in air in your pipes and radiators.

Step by Step Guide to Bleeding Radiators
Turn off power to the pump and let stand 2-3 minutes to not mix the water to the air

  • Put a container under the drain, it is mostly at the top of the radiators, the side opposite the valve;
  • With the key, open the small nozzle purge anticlockwise until you hear hissing, which means that the air escapes; - as soon as a few drops of water start to come out, you can close the trap.
  • After purging, it is essential to restore the pressure in the system by pouring water into the filling valve (usually signed under or near the boiler). Stop filling when the needle reaches 1 bar.

    Why do you need to bleed a radiator


    Overtime you may find that air is entering your heating system, over time this air enters your heating pipes and radiators, air does not conduct heat as much as water which causes a large decrease in your heating systems efficiency

    Find a professional plumber / heating engineer

    If after you have bled your radiator, they show signs of needing bleeding again then you may have a problem with your heating system, if you there are leaks in the system that allows heat to enter then this will cause the amount of heat generated to decrease extremly quickly, with energy prices rising year on year this can cause major damage to your wallet. Here at Approved Trader we offer no obligation help and advice hunting down your plumbing problems and are able to help you find professional plumber who will be able to repair or replace your radiators, boiler or heating pipes, all quotes are free and you will be under no obligation to proceed.

    Adding or replacing radiator


    The placement of your radiators is vitally important, if your radiators are old or looking worn then replacing them with more modern radiator may be worth considering, new radiators comes in a wide range of designs and styles and been developed to maximise their efficiently, get competitive quotes on adding or replacing your radiators online with Approved Trader.

    How To Bleed a Radiator