How To Bleed A Radiator in 8 Easy Steps

Are your radiators cold even when the heating is on? Our how to bleed a radiator in 8 easy steps will get your home warm again in super quick time. By bleeding your radiators regularly will increase the efficiency of your central heating and will help to reduce your energy bills. Radiators become less efficient when they have pockets of air trapped in them which causes the cold spots in your radiators. Bleeding your radiators will release the trapped air allowing the hot water to circulate freely heating your home more effectively.

how to bleed a radiator

So, here’s how to bleed A radiator?

You can bleed your radiators yourself by following our simple step by step guide to bleeding a radiator.

  1. Turn your heating on and wait until the radiators reach the maximum temperature.
  2. Once the radiators are hot, carefully feel each radiator checking for cold spots. Cold spots suggest there could be air trapped in the radiator, so you will need to bleed any radiators which you find them in.
  3. Before bleeding your radiators, you need to turn off your central heating and wait until your radiators have cooled completely.
  4. To bleed your radiators, you will need a radiator key or a flat-blade screwdriver. If you don’t have a radiator key, you can find one in most DIY stores.
  5. At the top of your radiator at one end there will be a valve, locate this and position a cloth beneath the radiator valve to catch any water.
  6. Insert your radiator key into the groove on the valve. Slowly, turn the key anti-clockwise to open your radiator’s valve. You should hear a hissing noise after a couple of seconds, this is the air escaping.
  7. Once all the air has escaped, you may find that water starts to leak out before you turn the radiator key clockwise to close the valve. Be careful not to over-tighten the radiator valve, or you may cause damage to the valve.
  8. After you have bled your radiators the final stage is to check the pressure of your boiler gauge. If the pressure is too low, the pressure will need rebalancing. If the pressure is normal, you can turn your heating on as normal and check that there still aren’t any cold areas in the radiators. how to bleed a radiator

Here at Compare Boiler Quotes, recommend checking the radiators in your home every couple of months to ensure you are getting the most out of your heating. There are countless positive improvements for your heating system such as increased energy efficiency due to your radiators working to their optimum level. Because of this, your home should get warmer quicker meaning that you can use less gas to stay warm.

We get many enquiries asking where radiator keys can be purchased from and we always say the best place to purchase these is Amazon. You can get a pair of radiator keys which enables you to bleed your radiators here: Draper 73965 Brass Radiator Keys (1 Pair)

If You Are Still Wondering How to Bleed A Radiator and you still have cold areas in your radiators please call us on 0808 156 7704 a member of our experienced team will be happy to help you.

If you would like to book a service for one of our experienced Gas Safe engineers to come and help, please fill in your details in the below form. If you think you need a new boiler system, we offer some unbeatable deals with our boilers on finance packages.

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