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Old 05-05-2016, 02:04 PM   #11
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When you run city water, I highly recommend using a pressure regulator. Sometimes the pressure coming out of the city water connection can greatly exceed the pressure limits of your RV's plumbing.
Very true. While the pex tubing is rated for many times normal water pressure, the "not expensive" fixtures used in most, if not all, RVs are susceptible to valve leaks and damage at campgrounds with high pressure.
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Old 05-05-2016, 05:56 PM   #12
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Just goes to show that there are NO simple questions.



The way properly working check valves function is that when there are two sources of water pressure, the source with the highest pressure supplies the water.



So, how does that effect your question, you ask?



Suppose you are at a campground with questionable water pressure.

Suppose further, you fill your fresh water tank and turn on your water pump.



Normally, the campground water pressure will be higher than your water pump's turn on pressure. The pump will stay off, the check valve inside the pump will prevent city water pressure from filling your fresh tank to overflowing.



However, any time the campground water pressure drops below the water pump's kick in pressure, and maintain pressure in your plumbing during the campground pressure sag. This will allow your shower to remain uninterrupted by screams and curses.



We highly recommend this procedure at the International Rally in Goshen, where in the fields up to 16 campers can being fed from a single 3/4 inch water main) filling your fresh water tank on arrival and keeping it full with the water pump running is just a good precaution.


Great info!

First I hooked up to city water after filling my fresh water holding tank.

Then the pressure seemed low into my trailer so I turned the pump on. It kicked on as I used the sink etc and it drew from the holding tank based on the drop in water level.

I do have a water pressure regulator installed at my connection.



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Old 05-05-2016, 06:33 PM   #13
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Great info!

First I hooked up to city water after filling my fresh water holding tank.

Then the pressure seemed low into my trailer so I turned the pump on. It kicked on as I used the sink etc and it drew from the holding tank based on the drop in water level.

I do have a water pressure regulator installed at my connection.



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Do you have a fixed or adjustable pressure regulator?


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Old 05-05-2016, 06:44 PM   #14
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I would recommend the Watts adjustable. I had a cheap fixed pressure valve. It seems to just choke off your water supply resulting in poor pressure when showering.
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Old 05-05-2016, 07:03 PM   #15
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If you have water in the FW tank, it doesn't hurt a thing to leave it on while hooked to city water.
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Old 05-05-2016, 07:06 PM   #16
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I recommend shutting off the water pump / city water supply if you leave your camper unattended for any length of time. Should you have a plumbing failure, you don't want your camper flooded.


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Old 05-05-2016, 07:07 PM   #17
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Do you have a fixed or adjustable pressure regulator?


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I'm honestly not sure. I'll have to investigate that.


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Old 05-05-2016, 07:10 PM   #18
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I recommend shutting off the water pump / city water supply if you leave your camper unattended for any length of time. Should you have a plumbing failure, you don't want your camper flooded.


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That I did. Great tip!


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Old 05-05-2016, 07:10 PM   #19
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If you have water in the FW tank, it doesn't hurt a thing to leave it on while hooked to city water.

Perfect!


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Old 05-05-2016, 10:21 PM   #20
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You will also need to turn on the water pump when you winterize your RV. There should be a valve near your water pump that you have to turn to make your water pump provide suction to your antifreeze inlet when it is turned on.
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