|Posted by Eli Burke on November 02, 19100 at 07:27:22:|
|In response to Re: plumbing making a high pitched whistling sound|
I had a similar problem but never got an answer. Ours only whistled at night.
I wound up paying a plumber $70 to come out and adjust my pressure regulator (ouch!).
It turns out it isn't as dangerous for us laymen to fiddle with as you might think.
Screwed all the way in, it is at full pressure. Turn it a good 4 or 5 full turns out;
that should correct the whistling (in my case, it was coming from a 75psi secondary
relief valve on the hot water heater; the plumber said he'd never seen anything like
it before). Long before there is any danger of the screw coming out, you would have no
water pressure at all.
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