Replacing or Installing Water Pressure Regulator (PRV) in a Home


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Old 09-08-08, 11:45 AM
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Angry Replacing or Installing Water Pressure Regulator (PRV) in a Home

I need to replace my PRV. I have two questions:
1-how to go about replacing the existing one or is it easier to leave the existing one alone and install a new one and how?
2-How to adjust the water pressure? I have a gauge.
Thanks
 

Last edited by Ghanouni; 09-08-08 at 12:02 PM.
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Old 09-08-08, 01:59 PM
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It is definitely easier to replace the existing unit rather than to install an addition one. In fact, if you can get the same make and model it shouldn't take but a half-hour at the most to replace unless the existing unit a) doesn't have a union connection (most do) or b) the original installer didn't use a union when installing.

As for adjusting...the instructions with the new unit should adequately explain how to adjust. With most units it is merely loosening the lock nut on the adjusting screw (or bolt) and screwing it clockwise to increase the pressure or anti-clockwise to lower the pressure. You need to attach the gauge to the piping downstream of the PRV and have at least some water flowing if adjusting to a lower pressure. Be sure to hold the adjusting screw to prevent it from moving when you tighten the locknut after adjusting the pressure.
 
 

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