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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Water Pump while Boondocking

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badercubed

Canandaigua, NY

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Posted: 09/03/19 06:04pm Link  |  Quote  |  Print  |  Notify Moderator

Ok, so here is the deal. While boondocking, we only turn the water pump on when it's needed. The last two trips, the pump has built up enough pressure for multiple people to brush teeth, to wash dishes and the flush the toilet numerous times. After a while, we notice the pressure going down and run the pump. It will run for about two minutes and give lengthy pressure again.

How and why?


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shastagary

minnesota

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Posted: 09/03/19 06:27pm Link  |  Quote  |  Print  |  Notify Moderator

sounds like your rv has a accumulator tank installed in the water system
rv accumulator tank

profdant139

Southern California

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Posted: 09/03/19 06:27pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting!! I wonder whether someone installed an accumulator in your trailer. We put a small accumulator in ours -- it causes the pump to run less frequently, thus saving electricity. But it only holds about a quart. It sounds like yours holds a gallon or so?


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ScottG

Bothell Wa.

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Posted: 09/03/19 07:48pm Link  |  Quote  |  Print  |  Notify Moderator

I put one in our last TT that held a gallon. I was able to flush the toilet 18 times before running out of pressure!
A two gallon would have provided even more time.
It doesn't cause the pump to run less overall though. It only causes it to cycle less.

* This post was edited 09/03/19 08:11pm by ScottG *


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Lwiddis

Bishop, CA

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Posted: 09/03/19 08:01pm Link  |  Quote  |  Print  |  Notify Moderator

Accumulator tanks a great mod for those without one.


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badercubed

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Posted: 09/03/19 09:18pm Link  |  Quote  |  Print  |  Notify Moderator

Learn something new everyday.

Camper was new from the dealer and we never talked about an accumulator tank, nor have I ever heard of one. It's great for when the Littles get up in the middle of the night or we come in late since the pump is under the bunks.

Huntindog

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Posted: 09/03/19 11:49pm Link  |  Quote  |  Print  |  Notify Moderator

ScottG wrote:

I put one in our last TT that held a gallon. I was able to flush the toilet 18 times before running out of pressure!
A two gallon would have provided even more time.
It doesn't cause the pump to run less overall though. It only causes it to cycle less.

^^^^^ This.

The pump has a fairly high amp dray when it is running, but it's overall amp draw when boondocking is limited by the water supply. So it's total overall amp draw is not a big energy hog.. In fact it is far enough down on the list as to be insignifignant.



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trail-explorer

NM

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Posted: 09/09/19 12:31pm Link  |  Quote  |  Print  |  Notify Moderator

badercubed wrote:

Learn something new everyday.

Camper was new from the dealer and we never talked about an accumulator tank, nor have I ever heard of one.


But, there's no conformation your trailer has an accumulator tank until you actually see it. There could a bad check valve in the pump.


Bob

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Mountain Foothills of South Western Alberta

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Posted: 09/09/19 12:49pm Link  |  Quote  |  Print  |  Notify Moderator

A bad check valve would do the opposite of what the OP explained. The pump would start up and shut down over and over again without any tap being turned on.

gmckenzie

BC

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Posted: 09/09/19 03:32pm Link  |  Quote  |  Print  |  Notify Moderator

ScottG wrote:

I put one in our last TT that held a gallon. I was able to flush the toilet 18 times before running out of pressure!
A two gallon would have provided even more time.
It doesn't cause the pump to run less overall though. It only causes it to cycle less.


Yes, but it does mean you can turn the pump off when you go to bed, pee 18 times in the night and not have the pump that is in the cabinet next to the DW's side of the bed run in the middle of the night waking up the DW.

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