02:03PM | 05/30/06
Member Since: 05/29/06
1 lifetime posts
I live in a residental area and have a reducer valve on my incoming water line which I believe is set at 70 psi. I finished my basement, adding a full bath. I have noticed reduced water pressure in upstairs(3rd floor) bathrooms. Would adding new bath cause this and can I adjust reducer valve upward to compensate for this?


06:22AM | 05/31/06
Member Since: 01/24/06
1506 lifetime posts
Before you arbitrarily just increase the water pressure you had better calculate the velocity of the size of the piping you have..

Excessive velocity can not only cause hydraulic shock (water hammering) but can also cause premature piping failures from erosion.

70 PSI = 29.1 FPS and if your using 1/2" diameter piping your GPM flow would hover around 18.18 GPM



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