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Old 09-12-2016, 04:35 PM   #15
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2015 25' FB Flying Cloud
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No it is not normal for the pump to run at random. Make sure you have purged air out of all faucets in the rig and outside (outside hand held shower). If the pump still primes itself then you have a leak somewhere.
Water leaks are not a good thing! Get it repaired. There are many threads on the topic of leaks. You should proactively look for leaks in places like the inlets for both the city water and black water flush.
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Old 09-12-2016, 04:39 PM   #16
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If the pump cycles without water being drawn you can start to look for the leak. The frequency of the cycle gives some indication as to the size of the leak. Quick cycle big leak. If you have an accumulator on the system that will change effect the cycle timing.
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Old 09-12-2016, 06:07 PM   #17
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I've had this happen on both rigs I owned (think it was a 2005 25-footer, and now a 2010 16-footer), noticed a leak very shortly after bringing them on their first journeys.

Given the newness of your trailer I bet you're running into the same thing I did: new rig with teething problems that didn't get discovered at the factory, but that once fixed, will be good.

In both cases, similar symptom: pump would run for a couple seconds on its own, with no water systems in use, and a very slow drip from the underbelly.

On my 2010 it turned out to be a hard plastic plumbing tube supplying the wet bath area. The tube ran under a cutout in the wooden wall but was pressed up really tight against it, creating enough force to slightly distort a connector and cause the leak. I simply enlarged the cutout just enough to give the tube some freedom and the leak stopped, hasn't happened since.

I suspect it wasn't discovered at the factory because the test wasn't done after the trailer was being towed, when things had a chance to flex and settle, and they settled with too much pressure on the plastic tubing.

On the 2005 it was a leak at the water inlet due to something not being screwed down tight enough, hard to recall but maybe around the pressure regulator, which I accessed from under the sink. Noticed the leak as a slow drip outside on the belly, only when the water pump brought the system to full pressure and turned off. It took a long reach under the sink and some cursing but was an easy fix.

Your 23D may be laid out differently but I was able to gain access to the bathroom plumbing by removing the mattress and the plywood mattress support, revealing the tubing and giving me enough access to the cutout in the bathroom wall to go to work.

The fixes were simple in both cases. It's just that getting to them was not as easy. Especially if you're on the road (I wasn't). Until you can get it home or to a dealer, just try to keep as little pressure in the water supply lines as possible by keeping the pump off and also running the sink for a few seconds after shutting it off.

I've never seen a bad crimp on a plumbing line to connector, so I'd look closely at plumbing lines (mechanical pressure against them) and devices such as the regulator, filter, etc.

If you're back home in Boston and need a hand give me a shout and I'll be glad to try to help. I'm about 1.5 hours from there.
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Old 09-12-2016, 06:41 PM   #18
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Hmmm - we had something weird on our last trip too. City hooked up, fresh was already full. I noticed a small leak from the vent on the FE tank (had to open the door to sees me here the water was coming from). DW checked the forums and we shut off city and ran fresh from the pump. Turned city back on, no leak. Ok. But by the next morning, the leak was back from the FW air vent while city was connected.

Anyone have that problem and a solution? Ours is a 2012 27FB Flying Cloud.
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Old 09-12-2016, 06:52 PM   #19
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Probably a malfunctioning check valve in or near pump which is supposed to prevent city water pressure from running through pump into the fresh water tank?

Empty water tank and then hook up city water. Monitor water level in fresh tank every minute for the next 15 minutes. The percentage should rise if the city water is leaking back through the pump into the fresh water tank.

If percentage stays at zero, please report anomalies. I think the check valve can clear itself and work one minute, the fail the next. Replacement should solve but this may mean replacing the pump in some models, as I understand it.

No expert on this. Just an idea or two! Intermittent leaks are hard to diagnose.

Cheers,

Peter
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Old 09-13-2016, 02:54 AM   #20
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Do you have a pressure control regulator? Some parks are higher than others. and some interior water lines may have begun to leak especially by the shower handles where that water supply line is connected.
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Old 09-13-2016, 08:56 AM   #21
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The pump is the check valve. Like I said above pump leak back was not a problem in the past but who knows what they are using today
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Old 09-18-2016, 08:41 PM   #22
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We have had many problems with our city water hook up leaking on our 2009 International. We replaced it last year and have continued to watch it by looking under the sink....the new one is leaking too. We plan to replace it with one that does not have a built in pressure regulator and use one in line....I would check that out too.
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Old 10-02-2016, 10:12 PM   #23
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Water Leak when hooked up to city water

I just experienced this today with my new 30' Flying Cloud. I pulled out a leather shotgun case from behind the lavatory wall and noticed the leather base had absorbed about an inch of water and the flooring was wet. I went into the lavatory and heard the faint sound water leaking under pressure. I opened the doors to the cabinet under the sink and a towel I had in there was soaked. The sink wasn't leaking but I could hear the leak more with the doors open. I then discovered that the cabinet backing was soaked. I shut the water off and began unscrewing and remove the soaked cabinets. I got a clear inside airstream view of the fresh water inlet and could feel water all around. At the base of the plastic compartment there was about a quarter inch of standing water. I started soaking it up with a large towel. Turned teh water on and visibly confirmed a rather prominent amount of water flowing out of the back of the valve into the compartment. I tightened the grey pex ring and the water stopped. The ring was not tightened sufficiently for even the low pressure water that I was hooked up to....QC issue. Added to the list along with the leaking shower at the lower right corner of the shower door....
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Old 10-03-2016, 06:48 AM   #24
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Water leak

I agree with the reply about the fresh water inlet. If you can get your eyes on it look for leaking around the pressure regulator. I am on my third one and it is leaking too. I will be installing one without the built in regulator and hooking one in line. The inlet is very easy to change. Four screws and unscrewing the nut. Has anyone found a nice looking one that will fit?
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Old 10-11-2016, 08:58 PM   #25
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My 2016 Bambi is in for service now with the same problem. Water leak under the cabinet of the toilet. Noticed it while using city water hook up. When I turned on the water heater it would leak after about 30 minutes. If I turned the water heater on for only 10 minutes and washed dishes and then turned it off again, no water leak. Maybe a hot water pressure problem?
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Old 10-11-2016, 09:34 PM   #26
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2015 23' FB FC - same problem

My nearly identical problem exhibited itself only when heating the hot water but your cause may be the same defective city water connector/regulator fitting. I installed an accumulator to help with the higher water pressure when the water is heated and I will replace the fitting when Airstream finally ships it to me. One suggestion given on my thread was to add a flex hose to the fitting on the inside to prevent excess stress on the assembly. It is two piece and vibration might have affected the seal. Look for my thread of a few days ago with additional ideas from others. Robere
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Old 10-12-2016, 06:45 AM   #27
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Could you update us on this please? Have you solved the problem, and what was it?

FYI Robere's thread, which he just mentioned, is here:

http://www.airforums.com/forums/f516...fc-157492.html

You might find some helpful ideas there.

Good luck!

Peter



Quote:
Originally Posted by jck_dmb View Post
I am a new owner. I've been on the road for over a month with minor issues. Just had my first major issue.

2017 23D International

My fresh water tank was 75% full
My Black was 0%
My Grey was 11%
I'm perfectly level in all directions.

I have hooked up to city water before with no issues.

I have used the fresh water and pump with no issues.

Problem:

I hooked up to city water at 7:00pm. In the morning, I had a huge leak which looked to be coming from under my shower/toilet.

Any thoughts? Advice? I am only using the fresh water tank now, with no issues. I'm nervous to hook back up to the city line.

I'm in Park City. Home is Boston. Should I try and get into the airstream dealership in Salt Lake? Will they service my AS if i did not purchase it there?

Thanks in advance!
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