High Water Pressure


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Old 10-13-20, 02:41 PM
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High Water Pressure

First, thanks in advance for sharing your knowledge. I had a Moen Flo monitor installed in my new home. Water is supplied by municipal system. I received an alert of high pressure from the Moen Flo sensor. The report shows pressure consistently in the 70-75 PSI range. Should I request my plumber install a pressure regulator? Or is below 80 PSI is considered in safe range? I am concerned about long term effects on the Pex, connections and appliances.

thanks again.
 
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Old 10-13-20, 04:49 PM
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I would not worry about it as long as the pressure doesn't go higher.
 
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Old 10-14-20, 02:14 AM
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Most homes connected to municipal water have pressure regulator installed shortly after the water supply enters the home. Are you saying your house doesn't have one? If you don't have one what are your overnight pressures? I live on top of hill and the elevation prevents me from having good water pressure. I don't have a regulator but my day time pressures hover around 25psi. I have recorded spikes of 50psi overnight.
 
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Old 10-14-20, 05:09 AM
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Pressure reducing valves (PRV) are a relatively new requirement so many older homes do not have them. Keeping an eye on your flow/pressure monitor should tell you what your water pressure is doing over time. Usually pressure is highest in the early morning when the water towers are their fullest.
 
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Old 10-14-20, 05:49 AM
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It is my understanding in Our area it is only required by code if test pressure is above 80 psi. The night pressure is in range of 70-75. My licensed plumber suggested to monitor it, but that range is acceptable.
 
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Old 10-14-20, 09:45 AM
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You should be ok then. I was concerned your 70psi was daytime and you might have excessive pressure peaks overnight.

At my house I'm more apt to have low pressure or run out of water in the early morning hours [3am-6am] My best water pressure is probably around midnight.
 
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Old 10-15-20, 09:54 AM
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It is my understanding in Our area it is only required by code if test pressure is above 80 psi. The night pressure is in range of 70-75.
Agreed, if you're seeing over 80, you should do something about it. Under that, I wouldn't worry about it.
 
 

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