Forum Title: Hot Water Pipe Noise
So recently I've had a noise develop only when my hot water is turned on from any source in my house. It is a raised ranch and all the pipes run through the joists. The noise sounds like a whistle/hum. It seems to travel between about 10' of pipe. I've had no plumbing work done in the 11 years I've been here and can't figure it out through Google. I've attached a link to a video of it. Any help would be appreciated, thanks.
Category: Plumber Post By: LEO BREWER (Newark, OH), 04/14/2017

What kind of shower valves do you have? Could be a balancing spool going bad. It could be vibrating through the pipes.

- NATHANIEL GREGORY (Carmel, IN), 09/17/2017

I'm not sure? It's a single knob that pulls out and turns left and right for hot and cold. It has a cartridge inside I replaced a couple of years ago.

- COREY BARRETT (Santa Clarita, CA), 09/21/2017

I do not know what kind of shower valves I have. Where would I find this? I have a single control for hot and cold and I replaced a cartridge in it last year.

- KATHLEEN SCOTT (Colorado Springs, CO), 10/11/2017

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