Hi, over the last couple of days there was like a roaring noise that would go off at different times in the house. I narrowed it down to the water pipes. Under the bathroom sink, if you put your hand on the cold water, you can feel the vibration, but not on the hot. While the noise is happening, if you turn on the water, as you adjust the handle, the noise goes up and down. About a month ago, we replaced the faucet in this bathroom, but no problems until about two days ago. I shut off this value and didn't seem to do it for maybe 10 to 12 hours, then started again. Called plumber to ask and the said may be pressure value (250 to 300 bucks to fix.) Is there anything you could suggest I could check? Thanks