How do you bleed air from an old radiator?
Quote from the video:
Quote from Youtube video: You will hear a hissing sound as the air escape. Keep the key on the shank of the valve. Then when the hissing stops and the first dribble of water appears close the valve tightly.
How do I know if I need to bleed my radiator?
Common signs that your radiator needs bleeding
- The top of the radiator is cold. Turn your central heating on and wait for it to warm up. …
- The entire radiator is cold. …
- Mildew on the walls. …
- Strange noises from your heating.
How long should you bleed a radiator for?
20 to 30 seconds
The average radiator should take no more than 20 to 30 seconds to bleed in full. This can vary with the size of the radiator and the amount of air trapped inside. Simply carry on bleeding the radiator until the hissing noise has stopped and water begins to run out of the bleed valve.
