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Old 12-03-2008, 08:13 AM   #1
simonsrf
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Low Water Pressure Solution

We are currently in a park that has real low water pressure.

Today, while just barely getting wet in the shower, I had a brilliant idea...seldom, but it does happen.

I needed to dump the fresh water tank, and refill it before going dry-camping, but thought maybe a good idea would be to turn the pump on while taking the shower!

The combination of the pump and the outside water made for a very powerful shower! Now, why didn't I think of that earlier?

Thought this might be helpful to others with the same predicament.
 
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Old 12-03-2008, 08:34 AM   #2
exav8tr
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Great Pic Robbie, where is that? I remember an episode of Seinfeld when Kramer bought powerful shower heads for his shower and it nearly blew a hole in the wall. I guess yours was a little less traumatic.lol
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Old 12-03-2008, 09:05 AM   #3
simonsrf
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Phil,

That is the Goosenecks SP near Mexican Hat, UT.

That location is about a half mile from the State Park. We go through there every spring, and will again this year. Great boondocking spot!

.....yep, had to hold the shower head on the floor with my foot
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Old 12-03-2008, 01:23 PM   #4
bsmeaton
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Makes for a good booster pump eh? It does drain down your tank though.
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Old 12-03-2008, 01:49 PM   #5
blamb
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Running the water pump at the same time as being hooked up to city water won't hurt the monty? I have thought of trying this for this same reason.
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Old 12-03-2008, 02:21 PM   #6
SlickWillie
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Don't really understand how that worked. The city water inlet has a check valve. If the pump puts out more pressure than park pressure, the check should close. If park pressure is higher the check would stay open, but the pressure would not increase. Perhaps the volume of water was increased but not the pressure?
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Old 12-03-2008, 03:10 PM   #7
HamRad
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That is a great picture Robbie. I love it. Just watch trying to walk around the rear of the trailer!

Dennis
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Old 12-03-2008, 03:31 PM   #8
Ozzie
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I've done that by accident before and wondered how that worked or if it would hurt anything.
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Old 12-03-2008, 03:53 PM   #9
snfexpress
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It has worked for us, too. Volume? Pressure? Who really knows for sure, but it did provide a better shower experience for us.
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Old 12-03-2008, 05:38 PM   #10
fulltimedreamer
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When in parks with a low pressure/volume we have used this technique. I just keep the freshwater tank filled between showers.
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Old 12-04-2008, 01:40 AM   #11
simonsrf
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Quote:
quote:Originally posted by SlickWillie

Don't really understand how that worked. The city water inlet has a check valve. If the pump puts out more pressure than park pressure, the check should close. If park pressure is higher the check would stay open, but the pressure would not increase. Perhaps the volume of water was increased but not the pressure?
Maybe I have a bad check valve. You are probably right, it is just a volume increase, but at the shower head, it feel like pressure.

Yes, it does deplete the fresh water tank, but that was the original intent, and by accident the extra volume made for a cleaner body.

Just wonder why it took me so long to figure this out.
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Old 12-04-2008, 03:31 AM   #12
bsmeaton
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Slick, you're right and I suppose if you had really high city water pressure, the pump might just shut off once the head pressure to the check valve was acheived, but I think in general the pump is overcoming the city pressure. Remember the city static pressure may be x but when water is flowing it becomes residual pressure y which is probably a lot lower given the 1/2" line.
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Old 12-04-2008, 05:30 AM   #13
blamb
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Quote:
quote:Originally posted by bsmeaton

Remember the city static pressure may be x but when water is flowing it becomes residual pressure y which is probably a lot lower given the 1/2" line.
LOL. I knew I should have paid attention in... math... class?
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Old 12-04-2008, 08:41 AM   #14
Waynem
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Does water flowing through the Y flow faster than through the x?
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Old 12-04-2008, 09:21 AM   #15
bsmeaton
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Quote:
quote:Originally posted by Waynem

Does water flowing through the Y flow faster than through the x?
The only thing that flows through x is my paycheck and I don't ask y anymore.

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Old 12-04-2008, 12:39 PM   #16
SlickWillie
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Quote:
quote:Originally posted by bsmeaton

Slick, you're right and I suppose if you had really high city water pressure, the pump might just shut off once the head pressure to the check valve was acheived, but I think in general the pump is overcoming the city pressure. Remember the city static pressure may be x but when water is flowing it becomes residual pressure y which is probably a lot lower given the 1/2" line.
I'm not sure what pressure the pump shuts off at. I may be wrong, but I was thinking it cycled while the shower was on. We stay put most of the time, so no need for the pump. I will have to try it one day, just out of curiosity. I didn't check the water pressure here when we moved back Monday, as we were in this park for right at a year before the few months in Rockport. I don't ordinarily run a regulator, as I check the pressure on occasion. Best I remember, we have around 60psi here. Oh well, I didn't mean to ruffle any feathers, the post just got my interest.
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