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Setting up RV to use water pump instead of Park Supply

JCat
Explorer III
Explorer III
My water pressure at my winter park is low 40 PSI and does not supply enough supply to my kitchen sink or bathroom sinks.

I have talked to others about their water flow and many don't use the parks supply. Their RV's always use the water pump for pressure.

My RV has a valve where I can select to fill my fresh tank or use park pressure.

I wondered if I can change it up so that the fresh tank would fill and not overlfow and then use my water pump to get the proper pressure as the other RV's do ?

Anyone done this type of conversion ?
If yes how ?
JCat & PCat
2004 Mandalay 40D
CAT C7 350 HP
41 REPLIES 41

W5CI
Explorer
Explorer
I agree 40 lbs psi is more than enough for your rv
2015 RAM 3500 DRW
2004 Cedar Creek 30RLBS

I_rv
Explorer
Explorer
see what pressure is at faucet,if less than 50 don't use regulator,40 is normal check all the strainers at each sink and strainer in end of hose.you might be suprised at what you find.

tropical36
Explorer
Explorer
JCat wrote:
My water pressure at my winter park is low 40 PSI and does not supply enough supply to my kitchen sink or bathroom sinks.

I have talked to others about their water flow and many don't use the parks supply. Their RV's always use the water pump for pressure.

My RV has a valve where I can select to fill my fresh tank or use park pressure.

I wondered if I can change it up so that the fresh tank would fill and not overlfow and then use my water pump to get the proper pressure as the other RV's do ?

Anyone done this type of conversion ?
If yes how ?

These problems usually disappear with removing any built in pressure restricter and using only a whole house pressure regulator for shore water.
No way, I'm running my pump, while in a park.
"We are often so caught up in our destination that we forget to appreciate the journey."

07 Revolution LE 40E_Spartan MM_06 400HP C9 CAT_Allison 3000.

Dinghy_2010 Jeep Wrangler JKU ISLANDER.

1998 36ft. National Tropi-Cal Chevy Model 6350 (Sold)

tazman1953
Explorer
Explorer
First are you using a water regulator? Do you have an elbow coming out of your water fill inlet, I had an elbow and you cannot use the elbow with a regulator it greatly reduces the pressure, if the PSI is only 40% I would not use any regulator.
All the Best
Tazman

Kayteg1
Explorer II
Explorer II
Checking water pressure at the hookup is like checking battery voltage.
It says basically nothing till you put a load on it.
Make a tee at the hookup for pressure gauge, open tub valve in RV and then see what is the working pressure.

Sam_Spade
Explorer
Explorer
JCat wrote:
40 to 45 may not be low, but is does affect the water flow out of my faucets.


Pressure and flow are related but are two different things.
Check the pressure in the lines when your onboard pump runs and I think you will be amazed at how low it IS.

I said this before; one more time:
Low flow when the input pressure is 40 PSI could be caused by:
A plugged screen at the inlet.
A plugged or defective check valve.
A failed pressure regulator.
A pinched or otherwise restricted hose near the above pieces.
Once you get farther in than that, the components would be common for outside water or internal pump.
'07 Damon Outlaw 3611
CanAm Spyder in the "trunk"

JCat
Explorer III
Explorer III
40 to 45 may not be low, but is does affect the water flow out of my faucets.

I get improved water flow when using the water pump.

If there was an issue with the plumbing I would think it would be there for the pump and the park supply.

If you know of something that could be affecting the flow, let me know I will check it out.
JCat & PCat
2004 Mandalay 40D
CAT C7 350 HP

bluwtr49
Explorer II
Explorer II
I've read 4 pages and still fail to see the issue. Granted the park my have 40-50 psig but that's not considered low. So you leave you water pump on and refill the tank as necessary. Somehow this whole thing is been sounding like a whole lot of something about nothing.

Sorry but it so simple...turn a valve every couple of days or so.
Dick

2002 43' DP Beaver Marquis Emerald Cat C-12 505 HP, 1600 Tq
2003 Jeep Grand Cherokee Overland ---toad

Pogoil
Explorer
Explorer
Yep.

Pogoil.

Sam_Spade
Explorer
Explorer
JCat wrote:

I called the water company and they said they have not reduced the water pressure. Some how I just don't think they are telling the truth.


And somehow I think you are not listening.

40 PSI IS NOT LOW. Most onboard pumps don't produce that much.
'07 Damon Outlaw 3611
CanAm Spyder in the "trunk"

JCat
Explorer III
Explorer III
Followup:
My solution has worked well for the last 2 days, so I am good for now.

I bought a pressure gage and checked other spots in the resort, they were all between 40 and 45, so it is not just my water supply

I talked to a couple who own a home in a subdiv. next door and they said their water pressure is low as well.

I called the water company and they said they have not reduced the water pressure. Some how I just don't think they are telling the truth.
JCat & PCat
2004 Mandalay 40D
CAT C7 350 HP

lanerd
Explorer II
Explorer II
2gypsies wrote:
After going through this, the simple answer is: yes, you can leave the water pump on all the time. It only runs when you run the water. When dry camping we never turn the pump off.


This works fine until you have a loose connection or a hose break when you are out exploring the countryside. You'll come back to a flooded rv. Not good. :E

Ron
Ron & Sandie
2013 Tiffin Phaeton 42LH Cummins ISL 400hp
Toad: 2011 GMC Terrain SLT2
Tow Bar: Sterling AT
Toad Brakes: Unified by U.S. Gear
TPMS: Pressure Pro
Member of: GS, FMCA, Allegro


RETIRED!! How sweet it is....

Sam_Spade
Explorer
Explorer
JCat wrote:

I sat and waited, and it worked perfectly.


Congratulations on your resourcefulness.

You lose a few points in my book, however, for not attacking the REAL problem; that is, restricted flow from the "city" water inlet.
Could be a failed regulator,stuck check valve, a plugged up filter or......a dead mouse in the line !!!
'07 Damon Outlaw 3611
CanAm Spyder in the "trunk"

CWDoc115
Explorer
Explorer
Did you check the water hose for an obstruction?
We had low water pressure when we first got here.
We managed for a few days by simply turning the water pump on to augment the city water pressure. The plumber located a large clump of grass clippings in the hose trap at the faucet. After that we had great water pressure. Thankfully I had that little screen in my hose. Now the first thing I will do is to open the faucet for a few seconds prior to hooking up the city water hose... :B