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Old 10-07-2015, 09:29 PM   #1
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23FB Plumbing Access Question

We have a 2013 23FB and are two months into a five month US circumnavigation. The other day, after 5 days on city water, I noticed a small puddle behind the streetside rear wheel. Nothing major, but there's a drip somewhere that results in wetness around the wheel trim. I detached the exterior shower and the city water connector from the outside, since they are closest to the puddle. The shower leaks from the outside fittings when in use, but there's no evidence of a leak inside the skin. The city water connector doesn't appear to leak, but the insulation is wet inside the skin around the connector. There is no evidence of water inside the trailer, either around the hoses or looking back from the water pump, so again whatever leaks is minor. The wet insulation doesn't conclusively show that either (shower or city water fitting) is the cause, but to really tell, or fix, I need to see from the inside. The problem is that I can't find any way to get to those fittings from inside the trailer: the sink and stove block access, and I don't see any way to get to the back side of the fittings. I can't believe that the 23FB was designed so that you have to remove the whole kitchen to troubleshoot or repair the plumbing, but I can't find any access. Does anyone have any experience with this, or suggestions on how to get a closer look?
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Old 10-07-2015, 09:34 PM   #2
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Were you running your AC? Could be the condensation drain...
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Old 10-07-2015, 09:53 PM   #3
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Were you running your AC? Could be the condensation drain...
No, we never use that. And I checked the refrigerator drain as well, don't see any other potential sources other than the city water and exterior shower. And there has been no rain for a week or so, so nothing external.
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Old 10-07-2015, 10:05 PM   #4
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Pos hot water pressure is causing the problem. When do you notice the leak? We noticed when we were hooked up to city water and turned on the hot water heater we would get a leak. If we used the pump and blend off the pressure then ran the hot water heater no problem we will be talking to attwood to get a adjusting thermostat. We feel maybe to the water heaters to hot
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Old 10-08-2015, 11:50 AM   #5
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I emailed AS and customer service and they sent me detailed plumbing drawings because I was having the same issue.

There is a removable panel under the slide out pantry that has low point water drains. Mine must have had trash in them, I opened and closed them real fast while hooked up to city water and the issue stopped. There are also low point drains behind the H/W heater.
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Old 10-08-2015, 12:02 PM   #6
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"I can't believe that the 23FB was designed so that you have to remove the whole kitchen to troubleshoot or repair the plumbing, "

There are many "I can't believe" design issues on Airstreams. One simple example, "I can't believe" they would place the black tank flush inlet immediately above the fresh water inlet. The gray hose connection inevitably drips onto the fresh water inlet. How difficult or expensive (zero) would it have been to simply reverse these inlets?

I hope to learn from responses to your post. The major saving feature of Airstream are these posts where we learn from one another. In my 8 months of ownership (and 15,000 miles rt from Olympic Peninsula to St. John's, Newfoundland) I have learned as much in this forum (despite a few misguided or misinformed posts than all the manuals and Airstream PDI. Basically, the major lesson I am learning is that we are each on our own to learn, discover, pay, and enjoy the fruits of the Airstream experience. So far it is worth it, but I continue to strengthen my neck muscles as a result of all the head shaking!
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Old 10-08-2015, 12:21 PM   #7
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Could it be the water pressure regulator behind the city water connector is leaking under pressure?

If you take the city water off and pressurize with the water pump does the pump burp occasionally?

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Old 10-08-2015, 02:30 PM   #8
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Quote:
Originally Posted by KJRitchie View Post
Could it be the water pressure regulator behind the city water connector is leaking under pressure?

If you take the city water off and pressurize with the water pump does the pump burp occasionally?

Kelvin
Kevin,

That would be my guess, as we're off city water now and there is no sign of leakage. The issue is finding a way to get to the water pressure regulator. While I can unscrew it from the outside, as far as I can tell you can't remove it completely without getting at it from the inside. And I can't find a way to get to it without removing the kitchen sink/countertop.

When we are off city water we do get an occasional burp from the water pump; about once every 4-6 hours, very brief. I've never worried about it since it's done that since I put the pump in last year, and there has never been any sign of leakage in that mode.

Dan
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Old 10-08-2015, 02:31 PM   #9
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Quote:
Originally Posted by KWN306 View Post
I emailed AS and customer service and they sent me detailed plumbing drawings because I was having the same issue.

There is a removable panel under the slide out pantry that has low point water drains. Mine must have had trash in them, I opened and closed them real fast while hooked up to city water and the issue stopped. There are also low point drains behind the H/W heater.
Thanks, I'll take a look in both places. I don't think it will help me get to the city water connection from the inside, though.

Dan
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Old 10-08-2015, 02:51 PM   #10
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Quote:
Originally Posted by WestieHouse View Post
There are many "I can't believe" design issues on Airstreams. One simple example, "I can't believe" they would place the black tank flush inlet immediately above the fresh water inlet. The gray hose connection inevitably drips onto the fresh water inlet. How difficult or expensive (zero) would it have been to simply reverse these inlets?
Yeah, that's one of my favorites. Since we have a Nature's Head and don't use the black tank I keep that one taped over so there's never a chance of confusion.

Quote:
Originally Posted by WestieHouse View Post
Basically, the major lesson I am learning is that we are each on our own to learn, discover, pay, and enjoy the fruits of the Airstream experience. So far it is worth it, but I continue to strengthen my neck muscles as a result of all the head shaking!
D2
I realize that are a lot of compromises to be made in a design, juggling features, convenience, space, weight, etc. Some things you just have do deal with, and despite some of that we really love our 23FB. And the posts on this forum, which we've been following for a few years now, have been really helpful in getting the most out of it.

Dan
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Old 10-08-2015, 02:59 PM   #11
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Looking at the photos of a 23fb at Colonial Airstream the city water hookup is just forward of the two oblong port hole windows. I would think from the interior the back of the city water/regulator would be between the stove and the sink. I can't imagine it being behind the stove since it goes back almost to the wall. There may be enough access to get to the hose fitting that unscrews from the regulator.

Hopefully you see something like this

http://www.airforums.com/forums/f44/...ml#post1537650

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Old 10-08-2015, 04:08 PM   #12
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Can you see the inside of the fresh water inlet? If so does it have a length of flexible rubber hose before it transitions to pex? If so there might be enough play to remove the fresh water inlet from the outside pulling a little hose with it. You only need to pull it 1.5" then you'll be able to disconnect the hose on back.
Sometimes hose connection just needs to be tightened.
Under high supply pressure they often leak where the two halves come together. Sometimes just tightening the screws fixes the leak. They are inexpensive, ~$30 on amazon if I remember.
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Old 10-08-2015, 04:18 PM   #13
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KJRichie/HiJoeSilver,

Thanks, I think that's what I needed to know. I didn't want to get too aggressive pulling the fresh water connector out, but if it's as you describe (and the picture showed) I think I have enough to work with. I'll try to bring it out a little farther and tighten things up, and see how that goes.

Dan
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Old 10-08-2015, 04:28 PM   #14
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Looking at another post it showed theirs plumbed direct to pex with a 90 degree angle right at the back of the regulator. If yours is done this way it'll be impossible to pull out, again WTF AS.
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