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jornvango

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Posted: 04/29/21 08:19pm Link  |  Quote  |  Print  |  Notify Moderator

While boondocking, I noticed the city water hookup is leaking. We haven't used that hookup in about 5 months.
Could it be a seal in the city water hookup? I'm not sure how that hookup is connected plumbing-wise and what normally stops water from coming out of that hookup while boondocking with the water pump turned on and the system pressurized.

2009 Casita travel trailer

Thank you!

agesilaus

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Posted: 04/29/21 08:41pm Link  |  Quote  |  Print  |  Notify Moderator

We we fill ours it drips for 5 or 10 minutes, thru the overflow vent I assume.


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Beverley&Ken

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Posted: 04/29/21 09:06pm Link  |  Quote  |  Print  |  Notify Moderator

There is a one way valve just inside the city water hookup, actually it is part of the hose input. Inside the fitting is a one way valve that sometimes becomes dislodged, Most common after winterzing.
The part us not expensive, approx $10. Easy to replace, on the outside of the RV, remove the screws holding the inlet, pull out slightly and replace with the new. New caulking and done.


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Rover_Bill

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Posted: 04/29/21 09:07pm Link  |  Quote  |  Print  |  Notify Moderator

Backflow preventer valve may need cleaning or repair. See this YouTube video.

JimR 1

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Posted: 04/29/21 09:59pm Link  |  Quote  |  Print  |  Notify Moderator

When mine leaked it was some sand or crud that got in the valve on mine there is a stem inside that I push in against the pressure and that flushes the valve out.

But I have also replaced two

JimR

wa8yxm

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Posted: 04/30/21 04:58am Link  |  Quote  |  Print  |  Notify Moderator

JimR 1 wrote:

When mine leaked it was some sand or crud that got in the valve on mine there is a stem inside that I push in against the pressure and that flushes the valve out.

But I have also replaced two

JimR


The "I have no clue where they got their brains from" folks will holler that "OH you will break it if you do that" (Not true) but here is a fact.. It's already broken.. You might fix it, or you might not but worst case is you don't fix it


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Posted: 04/30/21 06:34am Link  |  Quote  |  Print  |  Notify Moderator

wa8yxm wrote:

JimR 1 wrote:

When mine leaked it was some sand or crud that got in the valve on mine there is a stem inside that I push in against the pressure and that flushes the valve out.

But I have also replaced two

JimR


The "I have no clue where they got their brains from" folks will holler that "OH you will break it if you do that" (Not true) but here is a fact.. It's already broken.. You might fix it, or you might not but worst case is you don't fix it

You depressurize the system first. If you don't, there is a CHANCE that the ring washer will be pushed out of place. Not always, but sometimes. If you depressurize first, there is not enough force to push the ring washer out, but you still get water backflowing out of the valve.


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Dutch_12078

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Posted: 04/30/21 09:10am Link  |  Quote  |  Print  |  Notify Moderator

If flushing the check valve doesn't fix it, a quick temporary fix is to just screw a garden hose plug into the fitting. If that's not on hand, an inline garden hose shut off valve or even a common 'Y' adapter with shut offs will work.


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JimR 1

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Posted: 04/30/21 06:17pm Link  |  Quote  |  Print  |  Notify Moderator

Bobbo wrote:

wa8yxm wrote:

JimR 1 wrote:

When mine leaked it was some sand or crud that got in the valve on mine there is a stem inside that I push in against the pressure and that flushes the valve out.

But I have also replaced two

JimR


The "I have no clue where they got their brains from" folks will holler that "OH you will break it if you do that" (Not true) but here is a fact.. It's already broken.. You might fix it, or you might not but worst case is you don't fix it

You depressurize the system first. If you don't, there is a CHANCE that the ring washer will be pushed out of place. Not always, but sometimes. If you depressurize first, there is not enough force to push the ring washer out, but you still get water backflowing out of the valve.


Yes I was on tank water pump off. I discovered the leak when after filling the tank and removing the water hose that the pump would not quit running so I turned off the pump and went to look. Not sure what I had there for a plug, must have been a push in type no threads. The problem was some hard water, calcium, from the campground faucet went through the hose into the valve and I could see it sticking out the valve pushed the little pin and all was good.

Glad I caught because the campground had shut the water off after my fill cold night Dec 31st Bosque Birdwatchers RV Park, San Antonio NM.

JimR

agesilaus

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Posted: 04/30/21 06:21pm Link  |  Quote  |  Print  |  Notify Moderator

Are you guys saying that the fresh water tank is pressurized?? I doubt it. The pump takes a suction on the tank the water is pulled thru the pump and comes out pressurized.

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