Forum Title: Low Water Pressure and hard water
My Subdivision has historically low water pressure and very hard mineralized water. All of my neighbors have booster pumps and water softeners. My house pressure is about 28-38 psi., with no pressure reducer. My project will be done with PEX Blue Hawk, push together plumbing, 3/4 inch. The recommended/purchased list of items for my project is: Whole house filter - Whirlpool large capacity Water Softener - Whirlpool 44K Booster Pump - Pacific Hydrostar with 25/65 presets 1- Is this the correct order to place the items? 2- Do I need a pressure tank? Many of my neighbors do not have one. 3- I am told that the pump needs a pressure reducer and a check valve, but which goes before and which goes after the pump? Any suggestions are greatly appreciated.
Category: Plumber Post By: STANLEY REYNOLDS (Baton Rouge, LA), 02/13/2016

low pressure sucks my suggestion is run 1'' pvc sch 40 pipe from the meter to the house. at the house, install a ball valve in a valve box below grade. on the house side of the valve, tie in 1'' pex and run it into your house run a 1'' line straight to the w/h branch off with 1'' to each bathroom reduce to 3/4 in the bathrooms. i would not run 1/2'' pex to anything. but would use a 3/4x1/2 reducer at the copper stub outs why? research the ID of 1'' pvc sch 40 research the ID of pex you will find that 3/4 pex is 3/4 OD not ID bottom line, you are having pressure problems, you want as much VOLUME of water as you can get so go with a bigger line, to get the volume

- KIM LARSON (Commerce City, CO), 09/27/2017

Pay close attention to frodo's recommendation on PEX size. To maintain 3/4 distribution with PEX, you need to go one size over (1 - reduced internal diameter) over PE/PVC/COPPER supply.

- YOLANDA ORTEGA (Carlsbad, CA), 10/04/2017

My subdivision owns it's own well and gravity feed storage tank. No meters, free water - but bad pressure to all 132 homes. Supply water line is 3/4 inch, buried 6 ft down (it gets cold in the Colorado mountains), so I'm not going to get more water volume. I just have a 3/4 inch line coming into the house. My neighbors have many variations of my planned project, and they mostly work well. I'm using 3/4 inch PEX throughout and will be replacing old pipe as I go - but supplied pressure is too low! ~32 PSI. Home is 40+ years old.

- JOYCE TURNER (Bryan, TX), 10/14/2017

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