Anyone with steam heating in their house knows the telltale sounds of an old system, including clanging and whistling. Don't put up with the noise all winter—you can fix your radiator right now.

What to Do About a Noisy Radiator Tilt it toward the intake valve.. A properly functioning steam radiator does not sit perfectly level on the floor. Rather, it tilts slightly toward the intake valve.

They all passed air (air out) and condensate (water back), but some also automatically closed at the presence of steam. We call that a radiator trap. See photos 1 and 2. We don’t want the steam to get ...