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Utility sink makes a loud noise when turning on

Posted on 5/25/24 at 7:04 am
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/25/24 at 7:04 am


I thought it was the aerator that needed to be cleaned out, or changed (which I have done), and I am still getting a very loud noise when I turn on this faucet.

This faucet/sink is right next to my washer and dryer. The pressure that comes out of this faucet without the aerator on is very low as compared to the rest of the faucets/sinks I have in the rest of my house. With the aerator back on, I still have a low pressure issue as well. My washer has no low pressure issues.

Thoughts on what could potentially be wrong? This sink was removed during a renovation many years ago, and I thought it always worked "fine" until recently. I could be mistaken, though. I don't see a pinched line.
This post was edited on 5/25/24 at 7:07 am
Posted by the mighty weez
Member since Nov 2018
75 posts
Posted on 5/25/24 at 8:27 am to
Sounds silly, but is the supply valve open all the way?
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/25/24 at 8:41 am to
I believe it is, but I am now doubting myself. I will go check.
Posted by baseballmind1212
Missouri City
Member since Feb 2011
3349 posts
Posted on 5/25/24 at 10:20 am to
Could be something in the supply line. Usually the 1/2" wall connection steps down to 3/8 sink supply lines.

A long shot but maybe there is a piece of crud stuck in that supply valve.

Ive also seen the plastic ball valve fail in the shut off causing pressure issues and not fully shutting off.

I'd try replacing the shut off valve. For 5 bucks it's probably worth it.
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/26/24 at 12:47 pm to
quote:

Sounds silly, but is the supply valve open all the way?


I double-checked the valves, and both the hot and cold lines are open all the way.
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/26/24 at 12:47 pm to
quote:

Could be something in the supply line. Usually the 1/2" wall connection steps down to 3/8 sink supply lines.

A long shot but maybe there is a piece of crud stuck in that supply valve.

Ive also seen the plastic ball valve fail in the shut off causing pressure issues and not fully shutting off.

I'd try replacing the shut off valve. For 5 bucks it's probably worth it.


This will be the next thing I do.
Posted by T-Jon
Member since Jan 2012
42 posts
Posted on 5/26/24 at 2:52 pm to
A water hammer arrestor might solve your problem. If you’re replacing your stop valves, add arrestors directly to the valve

Home Depot
This post was edited on 5/26/24 at 2:56 pm
Posted by T-Jon
Member since Jan 2012
42 posts
Posted on 5/26/24 at 2:57 pm to
I would buy something like this from a plumbing supply store.

Ace Hardware- stop valve with hammer arrestor
This post was edited on 5/26/24 at 2:59 pm
Posted by Spankum
Miss-sippi
Member since Jan 2007
58635 posts
Posted on 5/26/24 at 4:09 pm to
Does it make the same noise when you turn on hot water as cold? What about when you turn on both?
Posted by the mighty weez
Member since Nov 2018
75 posts
Posted on 5/26/24 at 7:09 pm to
What kind of noise does it make?
If it's knocking, the water hammer arrestor will help.
If it's whining, the flow is restricted somewhere. This seems more likely since your pressure is also low. I'd check the supply lines, and maybe take the faucet off (with the aerator out) and try to blow it out in case gunk is built up in it.
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/29/24 at 6:42 am to
quote:


Does it make the same noise when you turn on hot water as cold? What about when you turn on both?


Yes, noise is present on both hold and cold.
Posted by Will Cover
Davidson, NC
Member since Mar 2007
39517 posts
Posted on 5/29/24 at 6:43 am to
quote:

What kind of noise does it make?


Whining.

quote:

If it's whining, the flow is restricted somewhere. This seems more likely since your pressure is also low. I'd check the supply lines, and maybe take the faucet off (with the aerator out) and try to blow it out in case gunk is built up in it.


I'll try this suggestion as well.

Thank you.
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