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Old 08-16-2018, 01:43 PM   #1
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Name: Blaine
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Water connection advice.

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ID:	123378 These are the water connection on the outside of our '65 Aristocrat Trailer. Know how they work? Advice?
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Old 08-16-2018, 01:57 PM   #2
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Those both look like fresh water fills. Are you looking to fill the on-board tank or connect to campground/city water?
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Old 08-16-2018, 01:57 PM   #3
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The top pic appears to be a fill port, the second a pressure relief? You might want a cap of some sort for the second, keep nasties out of your tank.
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Old 08-16-2018, 01:59 PM   #4
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They both appear to be fresh water fill ports, used to fill a fresh water tank inside your camper. I am confused as to why there would be two. A fresh water fill port is connected to your fresh water tank via a large tube for filling the tank. The smaller hole in the fresh water fill port is an air vent which is connected to the top (or near the top) of your tank via a smaller tube.
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Old 08-16-2018, 02:06 PM   #5
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Probably should investigate where the pipes go at the other end before you turn on the hose.
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Old 08-16-2018, 02:10 PM   #6
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I concur, those are fresh water fills, with the smaller vent tube on top.

newer ones tend to look like this...
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Old 08-16-2018, 02:30 PM   #7
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Hoping to connect to "city" water, but don't know how or why these work. Thanks. "Fresh water fill ports" ?? Hoping so.
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Old 08-16-2018, 02:31 PM   #8
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Nice. Thanks!!
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Old 08-16-2018, 02:31 PM   #9
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Yup. Good advice for the uninitiated. ty
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Old 08-16-2018, 02:33 PM   #10
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the fill port is for filling the tank, not for connecting a hose to use city water on the fly.

a city water connection has threads for screwing on your fresh water hose and leaving it attached.
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Old 08-16-2018, 02:39 PM   #11
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Look for a connection that resembles the female end of a hose. That is the campground/city water intake. The campground/city water does not fill any internal tanks on the trailer. You only get that water as long as you have a hose attached to the water source and the trailer. The ports you show in your pictures are designed to be used with either a hose or jug. The water put into these will run into a tank that is inside the trailer. This will supply water at any time until the tank is emptied.

Here are pictures of the campground/city water connection:

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Old 08-16-2018, 05:35 PM   #12
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Thank you very much. That's what I was thinking. Helps a lot.
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Old 08-17-2018, 12:08 PM   #13
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The bottom pic looks like someone used a 1/2” pvc pipe cap to plug the hole.
have to wonder why.
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Old 08-17-2018, 12:18 PM   #14
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Originally Posted by Cliff Hotchkiss View Post
The bottom pic looks like someone used a 1/2” pvc pipe cap to plug the hole.
have to wonder why.
I'm guessing its to prevent insects and/or critters from getting in because the cover has fallen off.
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Old 08-17-2018, 12:35 PM   #15
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Water fill

You really need to see what is connected to these! I had a trailer that did not have a city water connection at all. You had to fill the tank and pump from that tank by hand. I would certainly upgrade to the new style and re-plumb with PEX pipe. It's easy.
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Old 08-17-2018, 12:39 PM   #16
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A few observations (and guesses)...

These both look to me to be the same type of water fill port. The second looks like an older version of the first, and with the sealing cylinder removed, or broken and missing in action.

Why two of them is a mystery, but one with clues on the other side of the wall. Perhaps when the old one broke, they just added a new one and re-piped to it. Perhaps because it was hard to get to the piping at the old one.

The gunk over the vent on the old one looks to me to be unintentional, like over spray of whatever that yellowish brownish stuff is.

Lastly, you might want to think twice about your desire for a city water connection. It will require a new fixture (as pictured by a few posters above), a new hole in the shell, and some plumbing. I would sure as heck keep a functioning fill port because you never know when you wont be able to hook up a hose at your site. It is most of the time for me.

Connecting a hose full time to my rig has rarely worked well. Usually there is at least a small leak that makes a muddy mess outside the camper. And there is also the chance that the hose will fail at any time and a non-stop flow of water will result. And the check valve on the city water port can fail (as did mine), so that if you are using on-board water, it will all come out the port when the plumbing is pressurized.

So I fill my tank and use water from the tank without a full time connection. If I need to fill again and there is water at the site, then I run the hose to the fill port, and stow the hose after the tank is full. Otherwise I drag out my 5 gallon potable water can.

This also helps me manage my waste tanks since I have a good idea how much water I have used when the fresh water tank empties.

Now if you are going to often have a full time sewer connection at your site also, then city water makes sense. But if not you might try only using on-board water for a while and see if that works for you.

Also get one of these.. makes using the fill port easy.

https://www.amazon.com/gp/product/B000IZSB2Q
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Old 08-17-2018, 01:11 PM   #17
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So, could I replace the Valterra Water connection with a Campground/City connection? Or would it all need to be re-plumbed to be "CG/City"?
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Old 08-17-2018, 03:45 PM   #18
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Originally Posted by Woof70 View Post
So, could I replace the Valterra Water connection with a Campground/City connection? Or would it all need to be re-plumbed to be "CG/City"?
No, if you connect a hose to you fresh water tank it will fill tank and continue to flow out the vent.
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Old 08-17-2018, 05:13 PM   #19
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Check! ty
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Old 08-17-2018, 06:05 PM   #20
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a pressurized city water connection connects to your plumbing after the water pump, and has a one way valve in the T so it can't backfill the tank through the pump

the tank fill connection just runs into the tank, with an air vent to speed filling.

so.... (fill connection) -> water tank -> pump -> "T" -> rest of plumbing
(city connection) -> "T"
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