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-   -   How to increase entire house water pressure (https://www.askmehelpdesk.com/showthread.php?t=150506)

  • Nov 10, 2007, 09:55 AM
    sc1452
    How to increase entire house water pressure
    I have well water that supplies only 4 gal/min and it has a new 3/4 hp pump, a tank less heater and a Well x Trol 20 gal tank. The house is 2600sf, 5 years old and the upstairs shower pressure fluctuates numerous times while showering. I want to increase the water pressure and don't know where to start? Everything works fine, just low pressure. Should I get a holding tank and a pump? Would this help or is there another suggestion. Thanks
  • Nov 10, 2007, 10:33 AM
    biggsie
    I think I would go through the steps on this web site

    How to Troubleshoot Low Water Pressure | eHow.com

    If these don't work come back for more help

    Please rate my answer -- Hurry back!
  • Nov 10, 2007, 11:13 AM
    speedball1
    Bigsie,
    Did you take the trouble to read the link , " How to troubleshoot low water pressure"?
    Step 0ne tells you to unscrew and check the aerator. Steps two, three and four tell you to repipe your house. Some advice for a do it yourselfer. NOT!!
    Let's get this guy fixed up.
    sc1452-- I'm assuming that you have a Square "D" pump control, (see image). And that it has a 20 PSI cut in and a 40 PSI or a 30/50 cut off setting. First turnoff the power at the breaker box, then pull the cover off the pressure switch and you will see two spring loaded bolts secured with nylon nuts. One tall, one short. To increase the cut in pressure, turn the nut on the tall bolt down. To increase the cut out pressure,(that's the one that will give you more pressure) turn the nut on the short bolt down. This should give you the additional pressure you desire. While you're at it check the bladder tank. No water should come out when you pop the snifter valve on top of the tank and the bladder tank. If water comes out the bladder's ruptured and the tank needs to be replaced. To set the correct pressure in the bladder tank shut the pump off at the breaker box and open a faucet to bleed off the pressure off. The correct setting for a bladder tank is 2 PSI under the cut in point of the control box so if the control box cuts in at 30 PSI the tank setting should be 28 PSI. Good luck, Tom
  • Nov 11, 2007, 12:11 PM
    jbarnes542
    Comment on speedball1's post
    Gave info that I needed .Thank you
  • Nov 11, 2007, 01:00 PM
    jlisenbe
    A 20 gallon tank seems a little on the small side. That does not really impact your volume or pressure, but it does impact how frequently your pump cycles to bring pressure back up once it drops. Speedball is correct in saying that adjusting the switch is the way to go. I finally ended up with 42/60 on mine. We still could use more pressure in the house.

    4 gpm inside the house is not that bad for a house on a well. We are in the same situation. If I could I bring water in on a 1" line rather than 3/4" (like we have), I would do it. However, since we are on a slab, changing that is not an easy fix

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