Hydronic Heating Systems Reviews

How do I bleed my radiators?

You can easily bleed your radiators yourself, by following these simple steps:

  • Switch off the heating system and allow the water to settle, preferably overnight.
  • Go to each radiator and turn the small air vent using a special air bleed key. You can purchase air bleed keys from our website. This little tool helps stop dirty water from marking carpets, floors, and walls. A built in reservoir collects the bleed water making the job super easy and fast.
  • Be sure to catch any water that bubbles out; the water may be black and dirty and could stain surfaces it comes into contact with.
  • As soon as the air bubbles cease, turn off the valve. It should not be necessary to run water from the radiator to clear the air.
  • Check for any automatic air bleed valves that may be in the system, in the boiler, or at any high points in the piping system.

Remember, a panel radiator needs a continuous flow of hot water to work effectively if the radiator is hot at the bottom but cold at the top, you will need to bleed the air out.

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