I have tapping noise from the heat system in my apt building. I know what causes it. The pipes are expanding from heat.
For many years I heard a fast series of clicks every 30-60 minutes or so, but lately, I've been hearing a "slow tapping," which is one CLICK and then five seconds of silence and then another CLICK. This lasts
Do you know why this "slow tapping" would happen as opposed to the old tapping?
Somebody loves you. Are these two taps?
-- Oren
"The voices in my head may not be real, but they have some good ideas!"
Same cause.
Pipe hangers are older, and now have enough corrosion on them to create enough friction that the pipe doesn't slide more-or-less smoothly through them like it used to. Now, it moves in a series of jerks.
Try putting a little bit of grease at every point where a pipe is in contact with a pipe hanger.
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