How to bleed a heated towel rail, step by step

For the correct maintenance of your towel rail, you should bleed it once a year. How do you bleed a radiator?

Bleeding your heated towel rail lengthens its working life and saves energy.

How to bleed a towel radiator?

Basically, you need to extract the air that gets trapped in the pipes when water flows through. If the air remains in the pipes for a long time, the temperature may be reduced and the unit may not heat evenly.

You will know that your towel rail needs bleeding if the upper part is cold, as air tends to rise. This simple maintenance task will improve energy efficiency and avoid unnecessary expenditure on power supplies.



Round black matt heated towel rail


How do you bleed a heated towel rail?

  1. Turn on the heating and check that the pressure is correct (from 1 to 1.5 bars).
  2. Turn off the inlet valve to the towel rail.
  3. Place a container below the bleed valve (at the top) to collect any water that may run out.
  4. Using the radiator key supplied by the manufacturer or a flat tip screwdriver, gradually loosen the screw on the bleed valve. Air and drops of water will start to come out. You will know that you have completed bleeding the towel rail when there is no hissing and a continuous trickle of water comes out. Be careful, because the water may be hot!
  5. Tighten the screw.
  6. The boiler pressure may have decreased. If so, adjust to the correct pressure.


When should you bleed a towel rail?

Towel rails should be bled at least once a year, at the end of summer before the weather gets cold. 

How do you bleed an electric heated towel rail?

We explain how to bleed an electric towel rail in this video: 




Tono Heated Towel Rail


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