If your radiator is feeling cold in any area, it could need bleeding, which is the process of letting any trapped air escape from your home's heating system ...
He tells Country Living: “You can release the trapped air by bleeding the radiator; use a radiator key to open the bleed valve a little until you hear it hissing, and then close it as soon as the ...
Joshua Houston, a heating expert at GreenMatch ... or screwdriver into the bleed valve and slowly turn it anticlockwise. You should hear a hissing sound as the air escapes. Keep the valve open ...