Water pressure

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  • This topic has 1 reply, 2 voices, and was last updated 24 years ago by Avatar photoSylvanLMP.
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    • #273019
      Avatar photoMasterPlumbers

        What are the highest and lowest acceptable water pressures in household plumbing? What is the best single pressure reading?

      • #286733
        Avatar photoSylvanLMP

          The minimum @ a faucet running full should be 8 PSI and a Maximum of 85 PSI
          Or depending on local codes of the water department and department of buildings.

          The “BEST SINGLE reading ” is the one that does not exceed the velocity of the piping material installed to cause erosion or hydraulic shock waves from quick closing and also meets the K factor requirements for a fire suppression system for the highest located fixture and or sprinkler head. The BEST Single flow is also designed with a peek demand in fixture units and developed length taken into consideration with modern flow restrictors.

          Here is an article that may help you in your quest of Pressure / volume


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