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'Lowering' house water pressure Charles Pisano 05-20-2007
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Posted by AZ Nomad on May 20, 2007, 10:36 pm


>Regulators deliver MORE gas/water/whatever when you turn them
>clockwise (IN).

>Regulators deliver LESS when they are screwed OUT.

Or they do the opposite. It depends on the make and model.

Posted by Joe on May 20, 2007, 1:00 pm

trader4@optonline.net wrote:
> On May 20, 10:52 am, pisanoc...@webtv.net (Charles Pisano) wrote:
> > I'd like to lower the water pressure. I understand the pressure valve
> > has to be screwed 'out' as opposed to (the expected in) to lower the
> > water pressure??
> >
> > And there are 2 nuts on the pressure valves stem.

<snip>

The inner nut is a locking or jam nut to keep the stem from turning.
Loosening it several turns will allow the adjusting stem (screw) to be
turned for adjustment of pressure. The locking nut then should be
snugged down tight to hold the setting.




> Rather than focusing on the pressure, I'd be looking for a leak.

<snip>

> I'd start by checking all the toilets.

Excellent advice. Look for telltale sounds and water ripples in the
bowl as evidence of leaking flapper valves. If you find none, then set
your pressure the scientific way: go to a hardware or farm supply
store and buy a decent pressure gauge, the 0 - 100 PSI type. Cobble
together an adapter for the gauge which will attach to a hose bib or
your water heater drain. Typically this will be a female hose repair
end, a 1/4" NPT female to 1/2" hose barb connector, a short length of
1/2" hose, and a couple of hose clamps. Screw the gauge into the hose
barb adapter, the barb into the hose and the repair end into the hose.
Secure with hose clamps, attach to your outdoor hose bib (sillcock,
whatever) and open the tap. Check the pressure and if it's around
45-50 PSI you are average. Much more than that and adjustment might be
a good idea. HTH

Joe


Posted by Tony Hwang on May 20, 2007, 11:46 am
Charles Pisano wrote:
> I'd like to lower the water pressure. I understand the pressure valve
> has to be screwed 'out' as opposed to (the expected in) to lower the
> water pressure??
>
> And there are 2 nuts on the pressure valves stem. Not sure why there are
> 2.?? I want to lower it because ever since I had a frozen meter replaced
> and the kid upped my pressure for me, I'm getting a little
> (intermittent) noise feedback through the line when nothing is running.
>
> It's almost like a faint knocking (not water hammer). And the meter
> spins just a bit at the same time. (but again nothing in running-toilet
> is not even self adjusting)
>
> I think he may have upped it too much as it didn't make any noise
> before and the home is new.
>
> CP
>
Hi,
You may have a leak. Meter should never show spin unless water is being
used. My house running pressure is at 60.

Posted by Charles Pisano on May 20, 2007, 12:35 pm
No sign of a leak anywhere. But I did observe it a little better just
now. And the meter has one of those spinning indicators that tell you if
water is moving through the system.

Ant it goes backwards and THEN forwards when the sound happens and
nothing is running. There is a check valve in line 'after the regulator
and meter. Actually it says 'dual check no. 7' on it. Could that be bad
and allowing water to go back and forth through the meter causing this
noise?

Recently the meter was replaced (froze and leaked) and the pressure reg.
also because pieces from the meter got into it. The check valve is after
the press. reg.


Posted by Proctologically Violated©® on May 20, 2007, 2:06 pm
That faint knocking may be faint water hammer.
Tough to diagnose sounds over the 'net. :)

What is your current water pressure?
Why do you want to lower it?

Lowering it will help any water hammer proportionately, and is kind of a
brute force method to solving water hammer, not a real solution.
--
------
Mr. P.V.'d (formerly Droll Troll), Yonkers, NY

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all d'numbuhs

> I'd like to lower the water pressure. I understand the pressure valve
> has to be screwed 'out' as opposed to (the expected in) to lower the
> water pressure??
>
> And there are 2 nuts on the pressure valves stem. Not sure why there are
> 2.?? I want to lower it because ever since I had a frozen meter replaced
> and the kid upped my pressure for me, I'm getting a little
> (intermittent) noise feedback through the line when nothing is running.
>
> It's almost like a faint knocking (not water hammer). And the meter
> spins just a bit at the same time. (but again nothing in running-toilet
> is not even self adjusting)
>
> I think he may have upped it too much as it didn't make any noise
> before and the home is new.
>
> CP
>



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