decrease pressure

leprichonJune 6, 2010

I have a unit that requires a lower pressure (psi) than I have (where I want to put the unit-in the basement)...in short...I want a list of the products that I would need (assuming what I want to do is possible), (so I dont look like a !@#$ when I go to buy them)...and if possible Id love to put in a guage near the output to show the pressure going into the unit...Id love approx prices for the pieces I would need...(also would there be a prob If I just stepped down the size of the pipe)???

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asolo

Unit?

    Bookmark   June 6, 2010 at 1:53PM
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leprichon

the unit (if it makes a diff) is an RO filter...I believe it requires about 45psi and at the location (near where the water enters the house - before many smaller pipes and the flow is decreased) I currently have a flow rate that seems to be much higher.?..I want to lower it so that I can use this filter...

    Bookmark   June 7, 2010 at 9:58AM
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justalurker

Flow rate and water system pressure are two entirely different things.

I'll assume you're on a municipal water system... what is the static water pressure in the house water system now?

Is this RO a small POU 4 or 5 stage or a whole house RO?

    Bookmark   June 7, 2010 at 10:10AM
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leprichon

Hi justalurker (or other),
ok...I understand now that flow rate and system pressure are two diff things...Ive read that "static pressure can be measured using an aneroid, Bourdon tube, or a mercury column", but I dont have any of these. Can I determine my homes static pressure in another way?...I am on a municiapal water system (in NT NY if that helps)...the RO unit is prob rather small (meant for a large fish tank and not a whole house)...

    Bookmark   June 9, 2010 at 1:02PM
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weedmeister

you can buy a pressure guage from HD or Lowes. It connects to a hose bib.

    Bookmark   June 9, 2010 at 1:12PM
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justalurker

You are making a far bigger project out of this than it needs to be...

As I understand it you will install a POU RO (same as an undersink unit) to supply a fish tank.

IF, you choose the unit wisely it will operate with no problem with supply water pressure from 40 psi up to 100 psi.

If you want to learn about ROs L@@K here

You can check your plumbing system's static water pressure with,,, an INEXPENSIVE pressure gauge that screws onto a hose bib. They are available at almost every big box store.

    Bookmark   June 9, 2010 at 1:15PM
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