Thread Tools Search this Thread Display Modes
Old 08-12-2011, 08:16 PM   #1
3 Rivet Member
KerriO's Avatar
2008 27' International CCD FB
Bay Area , California
Join Date: May 2007
Posts: 159
Water Dripping from vent in the Freshwater Inlet cabinet

We're staying at a place with full hookups (city water, water pump turned off), and there's probably an eighth of a tank of water in the fresh water tank.

This morning I went to open the gray water dump valve (we're keeping it closed until it's full for a couple of reasons) and noticed some water on the ground nearby. It was dripping from under the door to the freshwater inlet. This was the first time I've noticed it, and we've been here for over a week. I didn't think too much of it, then went to take a look again this evening, and there's still water dripping out. It's coming out of a little vent just down and to the right of the fresh water inlet valve.

What is that about? Is it a leak, or is that what's supposed to be happening? We've been running the A/C, so maybe it's the A/C watter run-off? But I thought that came out from a tube that's under the wheel well (it's nearby, but completely dry).

KerriO is offline   Reply With Quote
Old 08-12-2011, 08:52 PM   #2
Rivet Master
A W Warn's Avatar

2000 25' Safari
1999 34' Excella
Davidson County, NC , Highlands County, FL
Join Date: Aug 2006
Posts: 2,049
I'm not familiar with your trailer layout, but there may be two condensate drains, one from the fridge and one from the ac.

2014 Silverado 1500 5.3L maximum trailering package (yes, I'm towing the 34')
A W Warn is offline   Reply With Quote
Old 08-12-2011, 09:07 PM   #3
3 Rivet Member
KerriO's Avatar
2008 27' International CCD FB
Bay Area , California
Join Date: May 2007
Posts: 159
Oh, the fridge drain would make sense, because we accidentally left it open a crack yesterday, so there was probably a bunch of condensation. Would it still be dripping a full day later?
KerriO is offline   Reply With Quote
Old 08-12-2011, 10:01 PM   #4
Rivet Master
2005 25' Safari
Trabuco Canyon , California
Join Date: Apr 2006
Posts: 866
Images: 2
Just to clarify, you said the fresh tank was 1/8.. is it still 1/8 full? I gather it is but just to be sure. A failed check valve would let it fill up while on city water.
tpi is offline   Reply With Quote
Old 08-12-2011, 10:33 PM   #5
Rivet Master
TBRich's Avatar

2006 19' Safari SE
Tucson , Arizona
Join Date: Jun 2007
Posts: 4,369
Images: 64
You might want to check the hand-tightening on any plumbing connections above or near that area. If there is a slow leak from one of those connections is could be dripping down or traveling down the pipe and skin to the bottom, finding a place to leak out. This happened on our of the hand-tightened connections near the vanity where the city water comes in was a little loose. I tightened it a bit and that was that. One hint if you have a leak somewhere is if your water pump cycles on without opening a faucet anywhere.

Condensation could be a source as well, especially if you are in humid weather, your AC is running a lot, and you are seeing no condensation coming from the condensation discharge tube in the wheel well where you'd expect to see it. Our fridge condensation drains to the fridge vent on the outside behind the fridge...but you have a different style fridge in your trailer...
TB & Greg and Abbey Schnauzer
AirForums #21900 . Membership Chair, 4C
Unit #3954
Travel Log: AZBambi...On the Road Again
TBRich is offline   Reply With Quote
Old 08-13-2011, 05:01 PM   #6
3 Rivet Member
KerriO's Avatar
2008 27' International CCD FB
Bay Area , California
Join Date: May 2007
Posts: 159
tpi, BINGO! We've had the systems monitor off, because it's so…welll, useless… but I think it at least knows the difference between a 1/8 full tank and a 100% full tank. Sure enough, when I went to check, it's completely full now! Well, more than full apparently. It looks like I have the exact same issue as Bambi_Bandit in this thread.

I turned off the city water least night and just started using water from the tank rather than draining for now. So, the new questions are:

1) Assuming that the only issue is a faulty one-way valve on the water pump, allowing water to flow into the tank from the city water inlet, and that the tank overflowed: I am choosing to believe that since the tank is below the subfloor, there is little chance of the subfloor plywood having gotten wet from this. Is this a safe assumption?

2) Any idea what part of the pump these "one way valves" Bambi_Bandit mentions are? I found diagrams of the pump, but nothing citing any familiar keywords. Should I just be opening up all of the connections and looking for debris?

ETA: So there is this—could this be the thing?
KerriO is offline   Reply With Quote
Old 08-13-2011, 05:50 PM   #7
Site Team
azflycaster's Avatar
1975 25' Tradewind
Dewey , Arizona
Join Date: Mar 2005
Posts: 12,038
Images: 62
Blog Entries: 1
The picture is the strainer which prevents larger items in the tank from getting to the pump.

The check valve is built into the pump.


WBCCI President 2016-2017
azflycaster is offline   Reply With Quote
Old 08-13-2011, 06:21 PM   #8
3 Rivet Member
KerriO's Avatar
2008 27' International CCD FB
Bay Area , California
Join Date: May 2007
Posts: 159
Oh, so it's something that they'd need to fix, then, huh?
KerriO is offline   Reply With Quote
Old 08-13-2011, 06:57 PM   #9
Rivet Master
Gene's Avatar
2008 25' Safari FB SE
Grand Junction , Colorado
Join Date: Sep 2007
Posts: 10,814
I have seen photos on some threads showing a check or one way valve in the pipes to prevent city water from getting to the fresh water tank. There may be one in the pump too, or that may be the only one. You could check with Airstream to find out what is what for your year and model.


Gene is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Water in Stove Exhaust Vent Airy Stoves, Ovens & Microwaves 4 01-05-2015 11:31 AM
Help-dewinterizing and no water off freshwater tank bonginator Water Heaters, Filters & Pumps 6 06-12-2011 08:37 PM
Water coming out city water inlet mutcth Fresh Water Systems 5 05-27-2011 09:23 AM
AC dripping water inside pappy19 Furnaces, Heaters, Fireplaces & Air Conditioning 6 04-10-2011 06:41 AM
Locating new city water inlet Globie64 Fresh Water Systems 12 03-10-2011 08:55 PM

Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 11:48 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.