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Old 12-11-2014, 08:29 AM   #1
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Water Pressure Regulator

May be redundant but I am running the simple brass inline pressure reducer and after I changed to an Oxygenics shower head and eliminated the in line filter the pressure was still low. Put this together for $10, will allow me to vary and set the water pressure at the source before it goes to the TT and remove the brass reducer. Also removable if I need the second hose. Ideally, if the park has it, I want to get to about 50-55 psi, that should make things much better.

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Old 12-11-2014, 08:53 AM   #2
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I never thought about putting my gauge on a wye, If you don't mind I'm going to steel your idea. If i'm over 55 I make sure I use my regulator. Only thing that I worry about is a spike in pressure. Which would be weird but could happen.
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Old 12-11-2014, 08:53 AM   #3
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That is pretty cool. What's the max pressure the RV can accept though. Thought it was around 35-40 psi. Maybe even lower.
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Old 12-11-2014, 09:01 AM   #4
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This is more of a water "flow" regulator then a "pressure" regulator.
you really cannot accurately vary pressure with this, if at all.
All your really doing is restricting flow.

You'd need a spring and needle and seat to vary pressure.

Am I wrong?
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Old 12-11-2014, 09:10 AM   #5
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Originally Posted by TURBS View Post
This is more of a water "flow" regulator then a "pressure" regulator.
you really cannot accurately vary pressure with this, if at all.
All your really doing is restricting flow.

You'd need a spring and needle and seat to vary pressure.

Am I wrong?
I tested it on my house faucet to see if it worked. Basically, you vary the pressure with the faucet handle - turn it on more for more pressure and less for less pressure - until you get to your desired pressure reading instead of just hooking up and turning on the supply full blast and letting the brass reducer reduce it to 40 psi. I found that from my house faucet I could easily vary the pressure by varying the amount that I turned it on. Works well enough from the house supply so it should work from a park supply with a similar faucet hookup.
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Old 12-11-2014, 09:17 AM   #6
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That is pretty cool. What's the max pressure the RV can accept though. Thought it was around 35-40 psi. Maybe even lower.
From my research your pipes should be good enough to handle up to 100 psi, it is the fixtures inside that will fail before the pipes. Everything that I have read says that around 60 psi should be max, and that may be a little on the high side for continued use.
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Old 12-11-2014, 09:20 AM   #7
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You device will not vary the water pressure. It will have an impact on the pressure when you are using water, however once you shut off a faucet ( cease water use in the RV) , the pressure in the RV will be identical to the pressure in the source within less than a minute. This means the pressure in the RV most of the time will be identical to the source pressure which at some campgrounds can be very high ( 60+ PSI)
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Old 12-11-2014, 09:24 AM   #8
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In a round about way your adjusting pressure by means of flow.

For example :
A true water regulator Will keep a constant set pressure no matter what the "in" pressure above set pressure is.

Example "true regulator"
80 lbs in set pressure at 50 lbs therefore 50 lbs out.

63 lbs in set pressure at 50 lbs therefore 50 lbs out.

Yours since it reduces water flow not pressure , if you use say the the shower and the sink at the same time your going to loose pressure and flow because you've restricted flow.

I hope this make sense.

Another scenerio would be if the cg water pressure varies from let's say 50 - 70 psi at any given moment "your" regulator is also going to vary because it cannot adjust it's self to maintain a constant pressure.

When cg is at 50 psi and you've regulated for that psi then it jumps to 70 psi your regulator may jump to 60 or more.
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Old 12-11-2014, 09:25 AM   #9
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Originally Posted by Flybob View Post
You device will not vary the water pressure. It will have an impact on the pressure when you are using water, however once you shut off a faucet ( cease water use in the RV) , the pressure in the RV will be identical to the pressure in the source within less than a minute. This means the pressure in the RV most of the time will be identical to the source pressure which at some campgrounds can be very high ( 60+ PSI)
This is Correct advice! Pressure will (Equalize) after shutdown! Youroo!!
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Old 12-11-2014, 09:29 AM   #10
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I agree that it may reduce the flow if you are using multiple fixtures at the same time which we very seldom do. However, it should at least be a good way of discovering how much pressure the park source is giving me.
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