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'Lowering' house water pressure Charles Pisano 05-20-2007
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Posted by Charles Pisano on May 20, 2007, 10:52 am
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


Posted by on May 20, 2007, 11:28 am
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. 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


Rather than focusing on the pressure, I'd be looking for a leak. The
meter can't be spinning unless water is going somewhere. And if you
have a slow leak, it's not unusual to have some noise in the pipes
associated with the leak. When my water heater sprang a slow leak, I
woke up in the middle of the night from kind of a strange buzzing
sound.

I'd start by checking all the toilets.


Posted by Joe on May 20, 2007, 12:59 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 Reed on May 20, 2007, 2:35 pm

>
> <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.

(snip)

Also try food coloring in tank to find flapper leak. I did not know I
had a slooooow flapper leak until I had to replace the inlet valve, and
changed from old-style "ball and arm" to newer "ball" slides up and
down pipe style. Old unit apparently would refill noiselessly, new style
sounded like a regular flush when it decided to refill from leak !!!

--reed

Posted by DanG on May 20, 2007, 10:26 pm
Regulators deliver MORE gas/water/whatever when you turn them
clockwise (IN).

Regulators deliver LESS when they are screwed OUT.

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



> Screwing the pressure adjustment valve OUT lowers it ... do I
> have that
> right?
>
> I just did that and the noise appears to be gone. I think the
> kid
> cranked up the pressre too much. The house is new, so I don't
> expect any
> leaks at the toilets etc.
>
> The clicking I heard seemed to be a check valve that was
> directly
> 'after' the meter and pressur valve. I was not nearly as loud
> right next
> to it as it was after it was magnified by the copper pipes and
> traveled
> upstairs.
>
> Now, I don't hear it. But the pressure apperars to be the same.
> I
> turned the valve to the left, which to me would INCREASE the
> pressure.
> But I was told this is actually the opposite effect in the case
> of these
> valvles...(?)
> Thanks again..
> CP
>



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