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Old 02-27-2022, 06:05 PM   #1
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FYI Install water pressure regulator on trailer end of hose, not source end

Increase your water pressure inside your trailer by installing your water pressure regulator on the trailer end of your hose instead of at the source.

You lose water pressure as water passes through the hose, so it makes sense to install the regulator on the trailer end of the hose, so you get the maximum pressure inside the trailer - so you're not losing valuable pressure through the length of hose. That is all - hope it helps someone.
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Old 02-27-2022, 06:38 PM   #2
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Or get a decent one with adjustable pressure setting, they are not that much, and now your hose/inline filter is protected from bursting too.
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Old 02-27-2022, 06:44 PM   #3
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Or get a decent one with adjustable pressure setting, they are not that much, and now your hose/inline filter is protected from bursting too.
+1

FWIW, the hose won't cause all that much pressure loss as the faucets and shower don't draw that much volume. Most are limited nowadays to <2 gpm.

Leave the regulator at the city water source. It protect the hose from pressures that can often exceed 100PSI. (I've witnessed numerous warnings of this when checking into RV Parks).

Picture a hose that's exposed to the hot sun and high pressure in it swelling up to the size of a "Summer Sausage".

If there are flow issues inside time to clean the aerator screens and flow restrictors.
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Old 02-27-2022, 06:46 PM   #4
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Mmmmm, summer sausage....haven't had THAT in awhile. College diet!
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Old 02-27-2022, 08:30 PM   #5
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I bought a Valterra Lead-Free Brass Adjustable Water Regulator for about $40. It has a pressure gauge that shows the output pressure so I know what pressure is going to the TT. I install the regulator at the water spigot so that my hose is protected.
With all that being said, I rarely camp where I have full hooks up, I usually put water in my fresh water tank and operate off of the pump.
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Old 02-28-2022, 08:24 AM   #6
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The idea of a pressure regulator is to protect your entire system. At parks with high pressure your supply hose can suffer damage when the regulator is not placed at the source. JMHO
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Old 02-28-2022, 09:19 AM   #7
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The idea of a pressure regulator is to protect your entire system. At parks with high pressure your supply hose can suffer damage when the regulator is not placed at the source. JMHO
X2

I've seen non-protected water hoses swell and burst from the hose getting soft in summer sun.

It would be foolish to have a pressure regulator anywhere but the pedestal/supply source.
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Old 02-28-2022, 10:14 AM   #8
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X2

I've seen non-protected water hoses swell and burst from the hose getting soft in summer sun.

It would be foolish to have a pressure regulator anywhere but the pedestal/supply source.
I've been called foolish before and lived over it. My adjustable regulator cost more than my water hose which I've been using for X years mostly in Texas heat and it's held up well with both my regulator and my inline filter located behind the closed door of my utilities compartment. I say I've used it this way for X years because people here have their own hard and fast rules about how long a water hose can/should be used and posting how long I've used mine in this configuration would bring judgment down on me - on a forum where a man's character is judged by whether he uses 1- or 2-ply toilet paper.
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Old 02-28-2022, 11:21 AM   #9
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So which do you use? LOL
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Old 02-28-2022, 02:56 PM   #10
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Seems the Valterra gets good reviews as it holds it's pressure when the water isn't flowing. Others will apparently let the pressure rise up to 80psi when the taps aren't running and then drop the pressure to 50% less than the set PSI once running a tap giving undesirable pressure in the RV. Is this just science or an actual problem?

I've been happy with my non adjustable one, but it would be nice to dial it in to a set amount - maybe i'll even get more pressure in the trailer and still be safe.
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Old 02-28-2022, 03:17 PM   #11
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https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
This was 32 bucks when I bought it 4 years ago, it is now cheaper. Bucking the COVID pricing trend! Works great, zero problems.
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Old 02-28-2022, 03:20 PM   #12
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With the non-adjustable pressure regulator which uses a fixed orifice once the flow stops the pressure equalizes on each side of the orifice. I have the valterra adjust regulator operated by spring pressure maintains the pressure down stream regardless of the flow.
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Old 02-28-2022, 04:22 PM   #13
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With the non-adjustable pressure regulator which uses a fixed orifice once the flow stops the pressure equalizes on each side of the orifice. I have the valterra adjust regulator operated by spring pressure maintains the pressure down stream regardless of the flow.
So based on what you're saying, if there's crazy high pressure at the pedestal then that pressure builds up on the outlet side when there is no flow? That sounds potentially dangerous. I hadn't heard this before.
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Old 02-28-2022, 04:54 PM   #14
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X2

I've seen non-protected water hoses swell and burst from the hose getting soft in summer sun.

It would be foolish to have a pressure regulator anywhere but the pedestal/supply source.
I've learned that lesson and had to buy a new hose after we got back and a saw a small river coming from our site. We forgot to shut the tap off when we went sight seeing, and came back and found our water hose had swollen and failed. The grass next to the water tap was floating too. After that, we go regulator, filter, hose, then to the trailer. And we triple check that the water is off when we leave for the day.
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Old 02-28-2022, 05:19 PM   #15
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I've learned that lesson and had to buy a new hose after we got back and a saw a small river coming from our site. We forgot to shut the tap off when we went sight seeing, and came back and found our water hose had swollen and failed. The grass next to the water tap was floating too. After that, we go regulator, filter, hose, then to the trailer. And we triple check that the water is off when we leave for the day.
We had a similar situation, but the tap was left on in our unit when our daughter washed her hands after using the bathroom. Left it on a trickle and filled the gray tank - when we came back water was flowing out the back of the trailer! Got it cleaned up and dried out... Minimal damage, and we promptly sold it to get our new FR product.

Now we always turn off the pump or the water spigot before leaving camp!
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Old 02-28-2022, 07:19 PM   #16
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https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
This was 32 bucks when I bought it 4 years ago, it is now cheaper. Bucking the COVID pricing trend! Works great, zero problems.

We have the same one and it has performed great. When the pressure is set it keeps it. Just keep the inlet screen clean.
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Old 02-28-2022, 08:54 PM   #17
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I attach it right past the blue torpedo filter, don't want to crud up the regulator. I've never had the blue filter rupture yet.
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Old 02-28-2022, 09:23 PM   #18
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I definitely don't want to have the heavy weight of the water pressure regulator pulling down on the city water inlet of my camper. Definitely putting the regulator on the pedestal end.


Campground faucet > extender hose with spring > water pressure regulator > water filter > fresh water hose > 90 degree brass elbow > City Water connection on trailer
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Old 03-01-2022, 04:34 AM   #19
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.................Picture a hose that's exposed to the hot sun and high pressure in it swelling up to the size of a "Summer Sausage".

If there are flow issues inside time to clean the aerator screens and flow restrictors.

That would certainly reduce the friction loss of pressure though.
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Old 03-01-2022, 05:14 AM   #20
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The friction loss in a 25 foot 5/8 inch hose flowing 2gpm is only 1/4 lb.
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