Up next in Home Heating & Air Conditioning (12 videos)
If you're a homeowner, you should educate yourself about home heating and air conditioning; this Howcast video series makes it painless.
You Will Need
- A radiator
- A towel
- A bleed key
Turn off the heat
Turn off the heat and wait until the radiator cools.
Locate the valve
Locate the bleed valve. It is a circular valve with a square protrusion from its center.
Hold the towel beneath the valve to catch any water that leaks out.
Insert and turn
Insert the bleed key and turn it one-quarter turn counter-clockwise. When you hear the hissing of released air, you have successfully opened the valve.
Turn the valve one-quarter turn clockwise once the hissing has ceased and the first drop of water exits the valve.
Turn on heat
Turn the heat back on and listen to hear if the noise in the pipes has dissipated.
Contact a professional
Contact a professional heating expert if problems persist.