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Old 05-03-2014, 08:07 PM   #1
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any way to boost water pressure without a pressure regulator?


I have an older home, and there is no pressure regulator from what I can see. where the water supply enters the home there is a water meter with a wire that runs off towards an exterior wall for some reason or another. I dont know what this things is for... its not readable by the water company as its in my basement. Maybe for the former use as a 2 family home... but this is the one and only water line, not like it would read only 1 of the homes...

But I dont see any regulator that Im used to seeing.

my water pressure is low, tolerable, but low. but as I try to install a sprinkler, the issue comes to a head.

so if theres no regulator... how is the pressure regulated? or is it? am I at street pressure and what I have is as good as it gets?

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Old 05-03-2014, 08:21 PM   #2
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any way to boost water pressure without a pressure regulator?


In general, municipal water pressure is regulated by the differential elevation of your tap and the elevation of the water in the water tower. Discounting friction loss around 1 lb. of gauge pressure per each 28" of elevation difference is normal. That is without any booster equipment etc.

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Old 05-03-2014, 08:36 PM   #3
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any way to boost water pressure without a pressure regulator?


I'd start by checking to see what the water pressure is now.
They sell a simple screw on gauge that can go on an outside faucet.
What size lines are they?
Old steel pipes?
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Old 05-03-2014, 08:49 PM   #4
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any way to boost water pressure without a pressure regulator?


old steel pipes, appear to be 3/4" but I also see some narrower copper. I am going to order a pressure gauge, but my concern is... it will just tell me that the sky is blue, if I cant do anything about it other than repiping the house, theres no use.
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Old 05-03-2014, 08:58 PM   #5
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any way to boost water pressure without a pressure regulator?


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but my concern is... it will just tell me that the sky is blue
So? That's better than wondering if the sky is blue.

Once you know what is what then you can plan around how to improve.
But yeah, you will likely need new pipe and maybe not just what is in the house.
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Old 05-03-2014, 08:59 PM   #6
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any way to boost water pressure without a pressure regulator?


Friend.... You have two variables in play here..... static water pressure and flow rate.

Better find out those parameters to figure out what is , and is causing ,your problem.

Start with knowing your static water pressure with a $5 guage from Home Depot.
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Old 05-03-2014, 09:37 PM   #7
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any way to boost water pressure without a pressure regulator?


Regulators drop the pressure
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Old 05-03-2014, 09:45 PM   #8
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any way to boost water pressure without a pressure regulator?


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Regulators drop the pressure
Yes.... but The man says he does not have a PRV

( I don't think OP knows whether he has a pressure or flow rate issue.... he says pressure, but many do not understand/distinquish between static supply pressure and flow rate, or flowing pressure.) (It is my thouht that the first place to start is determining his supply/static pressure.... then depending on results, he can proceed sensibly.... )
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Old 05-03-2014, 10:18 PM   #9
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any way to boost water pressure without a pressure regulator?


well, all I know is that I am unable to provide adequate whatever to drive 3 sprinkler heads.

Ill pick up a pressure gauge, if it says the pressure is good, I guess I can start eyeing the components of my sprinkler system for undue resistance. If the pressure is low at the tap, there isnt anything I can do to increase it...
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Old 05-03-2014, 10:43 PM   #10
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any way to boost water pressure without a pressure regulator?


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well, all I know is that I am unable to provide adequate whatever to drive 3 sprinkler heads.

Ill pick up a pressure gauge, if it says the pressure is good, I guess I can start eyeing the components of my sprinkler system for undue resistance. If the pressure is low at the tap, there isnt anything I can do to increase it...
Now you're thinking....

However, with low static pressure on your feed , you are not necessarily SOL.

Municipal systems are often required to supply minimum pressures... maybe 45/50 PSI.

They have street PRV/regulators, that may be malfunctiioning....

or if it were a flow rate issue, you might just have a choke somewhere (bent copper pipe) and a $5 fix.

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Old 05-03-2014, 11:20 PM   #11
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any way to boost water pressure without a pressure regulator?


How is the water pressure for the bathtub? Good flow?

If so....then the issue is with your sprinkler system.

Btw, have you made sure the flow restricters on the heads are out all the way? It's that little screw in the center of the head

And....some sprinkler valves have flow adjustments.
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Old 05-03-2014, 11:32 PM   #12
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any way to boost water pressure without a pressure regulator?


the shower/tub seems to have decent pressure. Ive had better, but Ive had way worse. Thats why I figured the sprinklers would be ok. I used 1" piping as well.

The sprinklers are turned up, and there is no flow control on the valve.

I might just try a few things tomorrow, remove the debris filter on the controller and remove the splitter I put on the spigot. see if that opens it up any...
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Old 05-04-2014, 01:50 PM   #13
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any way to boost water pressure without a pressure regulator?


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remove the splitter I put on the spigot. see if that opens it up any...
If you are trying to run your sprinklers off of a hose bib, the hose bib is just as likely as the splitter to be causing the restriction.
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Old 05-04-2014, 04:39 PM   #14
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any way to boost water pressure without a pressure regulator?


well, I tested the spout.

~52psi

~4.3gpm.
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Old 05-04-2014, 04:55 PM   #15
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any way to boost water pressure without a pressure regulator?


Not high...., but not dramatically low..... I guess I like 65-70 and 5 gal/min thru hosebib as a medium standard.....

(Actually, I personally like 75-80 lbs for my own use)

I'm not familiar with sprinkler systems, but I would think that would be sufficient for the system.... maybe it is something with the sprinklers.

I would think the sprinkler system info would identify necessary supply for different size systemms/pipeing.

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