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03-12-2015, 08:47 AM
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#1
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Junior Member
Join Date: Apr 2013
Location: Kalamazoo, MI
Posts: 21
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What is this?
Looking underneath our Cougar bath cabinet and wondering if this is a valve at the top of the two white water hoses. It's square black plastic. Can't turn it, and don't want to force it. Any help with identifying this is appreciated!
And, why do pictures go upside down when uploading to my post? I even tried editing on iPad so they are upside down to start with, hoping they would be right side up! I must be doing something wrong
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03-12-2015, 08:50 AM
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#2
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,456
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That is the backflow preventer for the black tank flush.. get to know it intimately as you will be replacing it sooner than later...
Well that is.... if you use the black tank flush..
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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03-12-2015, 09:25 AM
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#3
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Senior Member
Join Date: Jul 2013
Location: Box Elder
Posts: 2,898
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When you take photos with an iPhone or iPad, and the device is upside down, the photos will be upside down when transferred to a non apple computer.
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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03-12-2015, 09:49 AM
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#4
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Senior Member
Join Date: Feb 2013
Location: MA
Posts: 3,153
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Something to remember when you are winterizing as this is not part of any other system.
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2013 Premier 31BHPR
2014 F350 6.2L
Soon to be just DW and I
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03-12-2015, 10:44 AM
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#5
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Senior Member
Join Date: Apr 2014
Location: Berkley
Posts: 750
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Quote:
Originally Posted by GaryWT
Something to remember when you are winterizing as this is not part of any other system.
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This is good to bring up....I can't recall if I did anything with this or not as part of the winterizing, and I do recall seeing something like this in the bathroom on my passport under the sink.
Lets assume a problem has occurred with it. What would be the best way to check it? Remove it? Or would it be easier to just replace it at that point?
I ask because I did use the black tank flush last year...
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2022 Ford F150 3.5 Ecoboost SCrew 4x4 MaxTow
2020 Salem Hemisphere Hyper-Lyte 25RBHL
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03-12-2015, 12:09 PM
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#6
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Senior Member
Join Date: Sep 2014
Location: Toronto, on
Posts: 236
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Good topic .....
Especially the winterizing. The park I am in does this and all lines are guaranteed when they do it. I likely have a few extra lines like that flush line, as well as washing machine hook up, that we did not use but it's possible there is water in there somewhere.
With the flush - is the best way to test - turn on for a few seconds and then look for leaks?
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2014 Alpine 3620FL
parked full time
12 x 23 - 4 season room 10 ft ceiling
80 x 175 lot
Pics of our Setup
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03-12-2015, 12:16 PM
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#7
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Senior Member
Join Date: Sep 2009
Location: North Carolina
Posts: 1,037
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Mine doesn't look like that.
That looks a little more expensive than mine. Mine looks like a plastic flap encased in plastic.
kinda on the "T" shaped side with an intake and exhaust.
really that looks a little more substantial than mine and its going on 4 years old.
randy
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Randy "Camp On"
2011 Cougar 327RES
2014 Ford F-350, 6.7L 4X4, CC, SRW
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03-14-2015, 02:20 PM
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#8
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Senior Member
Join Date: May 2011
Location: Moose Jaw,Saskatchewan
Posts: 154
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After hearing all the stories about the backflow valve I decided to completely remove it. I took it out and replaced it with an elbow. Works great and I don't have to worry about water all over in the vanity in bath room.
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03-14-2015, 05:06 PM
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#9
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Senior Member
Join Date: Feb 2013
Location: MA
Posts: 3,153
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Quote:
Originally Posted by Ayotte
After hearing all the stories about the backflow valve I decided to completely remove it. I took it out and replaced it with an elbow. Works great and I don't have to worry about water all over in the vanity in bath room.
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By doing this you can not protect the fresh water that the rest of us drink. There is nothing stopping your black tank from backing up into the fresh water system. Please post where you will be camping so we know.
__________________
2013 Premier 31BHPR
2014 F350 6.2L
Soon to be just DW and I
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03-14-2015, 05:40 PM
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#10
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,456
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Quote:
Originally Posted by GaryWT
By doing this you can not protect the fresh water that the rest of us drink. There is nothing stopping your black tank from backing up into the fresh water system. Please post where you will be camping so we know.
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It really isn't that big of a deal to screw a brass backflow preventer on to the hose end..
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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03-15-2015, 01:37 AM
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#11
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Senior Member
Join Date: May 2011
Location: Moose Jaw,Saskatchewan
Posts: 154
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Yes I use a back flow preventer and the only place I flush my tanks is at the sewer dumps and the taps there are not for drinking water.
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03-15-2015, 05:46 AM
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#12
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Senior Member
Join Date: May 2011
Location: Moose Jaw,Saskatchewan
Posts: 154
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Doing it this way is definitely better than waiting for the original to fly to pieces and then have water shooting all over the inside of your bathroom like what happened to quite a few people according to their posts on this site and other forums I have read.
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03-15-2015, 06:15 AM
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#13
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Senior Member
Join Date: Dec 2014
Location: Baton Rouge, La
Posts: 127
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Isn't there a brass replacement available from somewhere?
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03-15-2015, 06:31 AM
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#14
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,841
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Quote:
Originally Posted by carwheel_09
Isn't there a brass replacement available from somewhere?
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Lowe's or Home Depot, usually found in the "underground irrigation" section.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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03-15-2015, 06:35 AM
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#15
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Senior Member
Join Date: Apr 2011
Location: Arrey,
Posts: 2,368
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Howdy All;
Javi has an excellent suggestion, and one that I have used since I
replaced mine with an elbow 3 years ago (almost), I used a backflow preventer like this, http://www.doitbest.com/categories/backflow-preventer, (only mine is Brass), attached to the hose to break the suction
and allows the water in the system to drain into the tank and not meander
into the drinking water. Haven't been sick from it yet, oh yea, I fulltime.
hankaye
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Striving for a less complicated life since 1949 ...
Home: 2008 Cougar 278 RKS
T.V.: 2004 F-250 4X4, Level III BulletProofed , Detroit Tru-Track Differential (915A550)
Dog: 2006 Border Collie (Rascal) aka Maximum fur dispersal unit. (08/04/2006 - 12/16/2017) RIP.
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03-15-2015, 08:51 AM
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#16
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Senior Member
Join Date: Aug 2012
Location: Brant Lake,NY
Posts: 321
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I just replaced mine with a Foot Valve (one way check valve) in line behind the inlet and put a elbow under the sink. The Vacuum Breaker restricts the flow. I winterize it by just blowing air through it.
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Gary & Gail
Alfa Gold 3905SH
2016 F350 DWD 4X4 6.7,3.73 Rear
2012 Cougar 318SAB
2015 F350 SWD 4X4 3.55 Rear
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