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11-07-2011, 07:05 AM
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#1
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Senior Member
Join Date: Mar 2011
Location: Buffalo, NY
Posts: 206
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303TG - water tube question
So I finished cleaning out the camper this weekend and parked it in the backyard for the long winter. However as I was cleaning it out I noticed a set of tubes under the bathroom sink that didn't have any antifreeze in them. They appeard to run up and down next to the bath room cold water tube. I don't beleive they are to the outdoor shower as those are under the cabinet (in a cubby). Just curious if anyone knows what these are. If i get a chance I'll take a picture.
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11-07-2011, 07:55 AM
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#2
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Could they be the water supply for your outdoor kitchen? About the only thing I see in the Keystone floorplan on that side of the trailer is the kitchen. There could also be a set of low point drains (look under the trailer in that area or an outside shower, those aren't shown in the floorplan. Otherwise, no ideas what you could have, but you definitely need antifreeze in that set of lines or you'll have a "wet environment" in the spring.
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John
2015 F250 6.7l 4x4
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11-07-2011, 08:06 AM
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#3
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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I would have to agree on the outside kitchen and even though they claim that no water remains in the check valve (HEPVO) that is used in the drain (instead of a trap) I would be sure to put some anti-freeze down the outside sink drain. JM2¢, Hank
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11-07-2011, 10:06 AM
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#4
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Senior Member
Join Date: Mar 2011
Location: Buffalo, NY
Posts: 206
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I'll have to take a pic. They were connected with a strange black hard plastic attachment (for lack of a better way to describe it). Both tubes seem to lead into this. I may have to take off the bottom panel to see if I can't tell where they go to.
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Myself, the wife, 3 boys a dog and cat
2011 Laredo 303TG
2015 Chevy 2500 Crew 6l V8 4x4
Previous Trailers
2011 Jayco 17z
Previous Tows
2007 Toyota Sienna
2008 Toyota Tundra DC 5.7L V8 4x4
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11-07-2011, 11:15 AM
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#5
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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Quote:
Originally Posted by DTJ9610
I'll have to take a pic. They were connected with a strange black hard plastic attachment (for lack of a better way to describe it). Both tubes seem to lead into this. I may have to take off the bottom panel to see if I can't tell where they go to.
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Did you get pink stuff from the outside kitchen faucets????
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Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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11-07-2011, 12:19 PM
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#6
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Senior Member
Join Date: Sep 2011
Location: Northville NY in the Adirondacks
Posts: 2,128
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Might be the vacuum breaker for the black tank flush system?
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11-07-2011, 12:36 PM
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#7
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Senior Member
Join Date: Aug 2009
Location: IL
Posts: 352
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I believe Steve is right. I think its the black tank rinse. I just blew air threw mine, low pressure like 20-30 psi.
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2010 Kestone Laredo 291TG
2006 Dodge Megacab CTD
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11-07-2011, 01:41 PM
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#8
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Senior Member
Join Date: Apr 2011
Location: Arrey,
Posts: 2,368
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Howdy All;
The Black Tank Flush system only uses 1 waterline what's the second for???
The check/vacuum breaker valve that was on mine was clear plastic.
Thinkin it might be something else...
hankaye
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11-08-2011, 06:56 AM
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#9
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Senior Member
Join Date: Mar 2011
Location: Buffalo, NY
Posts: 206
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hankpage - yes I did get pink in the outside sink.
SteveC7010 - it is in a location that would indicate it has something to do with the tank rinse. I'll see.
I did unscrew one of the tubes to see what was in it (when I first found it) and there wasnt any water in it. I will make a point this weekend to get out there and do some additional investigation. I'll take some pics and hopefully we can figure this out.
Thank you again for the input.
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Myself, the wife, 3 boys a dog and cat
2011 Laredo 303TG
2015 Chevy 2500 Crew 6l V8 4x4
Previous Trailers
2011 Jayco 17z
Previous Tows
2007 Toyota Sienna
2008 Toyota Tundra DC 5.7L V8 4x4
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11-08-2011, 07:06 AM
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#10
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Senior Member
Join Date: Mar 2011
Location: Washington State
Posts: 859
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Sounds like the Black Tank flush line to me. Yep Ron
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11-08-2011, 10:51 AM
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#11
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Senior Member
Join Date: Sep 2009
Location: North Carolina
Posts: 1,037
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Quote:
Originally Posted by SteveC7010
Might be the vacuum breaker for the black tank flush system?
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This is what mine does.
Black thing is a black water back flow pressure break. To keep stinky stuff from coming back to main water source. I had a post about his thin a few weeks back.
randy
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Randy "Camp On"
2011 Cougar 327RES
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11-19-2011, 07:05 AM
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#12
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Member
Join Date: Feb 2011
Location: Hamilton Ontario
Posts: 94
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I too thouight it was the Black Water Flush. I blew some air in it and it looked fine to me.
If it is not the black flush I have no idea what else it is.
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2011 Keystone Laredo 291TG
2003 Avalanche 5.3L w/ 4:10 gears
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12-12-2011, 11:48 AM
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#13
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Senior Member
Join Date: Mar 2011
Location: Buffalo, NY
Posts: 206
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So I was filly able to spend some more time looking at this. It does appear to be some kind of backflow/pressure valve. Now that I have that figured out I may have been a bit late at winterizing it. I'll have to see once we get a thaw up here. I tried pumping some antifreeze into it through the outdoor shower, however when I went into the bathroom I noticed some pink on the floor. Sure enough I removed the bottom banel under the bathroom sink and there was a puddle. I couldn't tell from the tubes where it came from so I'll have to try and pump some in again when it warms up.
__________________
Myself, the wife, 3 boys a dog and cat
2011 Laredo 303TG
2015 Chevy 2500 Crew 6l V8 4x4
Previous Trailers
2011 Jayco 17z
Previous Tows
2007 Toyota Sienna
2008 Toyota Tundra DC 5.7L V8 4x4
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