Why Do My Heating Pipes Click

Metal pipes can make creaking, groaning or gurgling noises as they heat up with hot water and expand. The reason for this is that they rub on other surfaces, such as walls, flooring and brackets. … Light tapping noises, clicking noises, or even a gurgling type sound can be caused by radiators that require bleeding.

How do I stop my pipes from clicking?

1. Turn it off the system before bleeding.
2. Look for the small valve present under the end cap of the radiator and rotate it counterclockwise to remove the air pressure.
3. As the air exits the pipes and the water starts to trickle out, you should close the valve.

What is the clicking noise in my wall?

Clicking sounds in the walls may be the result of thermal expansion in copper or polyvinyl chloride piping, causing it to pop or crackle when hot water passes through it. … The clicking noise you hear is the hot-water pipe rubbing against a stud or joist as it expands and contracts.