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Old 09-25-2016, 04:11 PM   #1
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Water Pressure in a RV?

I've always believed that water pressure in a RV should be around 40-50 lbs - and that is what I set my Watts pressure regulator to produce.

An acquaintance has told me I am nuts and going to blow out my water system. I kinda of don't think so, since it is mostly pex.

Any other opinions out there?

Thanks,
Jerald Pendleton
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Old 09-25-2016, 04:25 PM   #2
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My Country Coach manual says 40 to 50 psi..
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Old 09-25-2016, 04:30 PM   #3
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Quote:
Originally Posted by jrpend View Post
I've always believed that water pressure in a RV should be around 40-50 lbs - and that is what I set my Watts pressure regulator to produce.
An acquaintance has told me I am nuts and going to blow out my water system. I kinda of don't think so, since it is mostly pex.
Any other opinions out there?
Thanks,
Jerald Pendleton
jrpend
While I can't prove it but me thinks your acquaintance is wrong.

My Shurflo water entry has a built in 65 PSI pressure regulator:
https://www.rvwholesalers.com/parts/...2?taxon_id=159

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Old 09-25-2016, 04:33 PM   #4
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I have my pressure set to 65psi, so far so good.
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Old 09-25-2016, 04:35 PM   #5
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Almost every fixed aftermarket RV pressure regulator is 40-50psi, so methinks your friend is wrong.
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Old 09-25-2016, 04:50 PM   #6
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Quote:
Originally Posted by jrpend View Post
I've always believed that water pressure in a RV should be around 40-50 lbs - and that is what I set my Watts pressure regulator to produce.

An acquaintance has told me I am nuts and going to blow out my water system. I kinda of don't think so, since it is mostly pex.

Any other opinions out there?

Thanks,
Jerald Pendleton
Not sure if your acquaintance is correct about you being "nuts" but he is wrong about the water pressure. 40 to 50 is fine.
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Old 09-25-2016, 04:58 PM   #7
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My RV regulator is set for 65 psi. Somewhere I read RV are built to about twice that, but I just couldn't find the article.
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Old 09-25-2016, 05:00 PM   #8
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I set at 40. Works ok for us.
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Old 09-25-2016, 05:02 PM   #9
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Water Pressure in a RV?

Watts set to 60 for years. No problems.
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Old 09-25-2016, 05:04 PM   #10
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40-50 is good. 65 is ok on a newer RV with PEX (red or white or blue). Older RVs may have polybutyl (grey) and that is usually ok at 40-50 but 65 may have leaks at joints.
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Old 09-25-2016, 05:05 PM   #11
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Water Pressure in a RV?

I have my Watts set to 45 psi as well. Many have it set at 60 psi or thereabouts.
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Old 09-25-2016, 05:08 PM   #12
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60 PSI,no problem. Read where it is tested at 110. Doont know if its true.
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Old 09-25-2016, 05:08 PM   #13
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Sign above the city water hook up says, 60 MAX , on my coach .
Others may vary.
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Old 09-25-2016, 05:18 PM   #14
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My adjustable has been set to 60 psi for four years. I have read (unconfirmed) that Newmars (and possibly others) have been tested to 100 psi at manufacture.


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