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05-26-2015, 12:43 PM
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#1
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Senior Member
Join Date: Nov 2010
Posts: 692
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Srx black rinse check valve
Our black tank rinse check valve has stuck, water pours out of the hole in the compartment right above the dump valves. Anyone know how to get at the check valve for replacement?
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2011 F350 DRW 4X4
"The Beast"
2011 Cougar 325 SRX
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05-26-2015, 12:53 PM
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#2
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Site Team
Join Date: Mar 2009
Location: Fraser Valley BC Canada
Posts: 7,015
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On some models, the black tank check valve is located under the bathroom sink. On other models, it is often found behind a removable partition or panel. Usually the valve is in a direct line with your exterior black tank hose connection but this is not always the case. On our Cougar, the check valve is located behind the stereo/radio cabinet and I have to remove a panel to get at it.
Hopefully, someone with the same model will see your post and tell you exactly where it is.
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2008 Cougar 5th Wheel 27RKS
2005 2500 GMC Duramax
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05-26-2015, 01:19 PM
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#3
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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On our SRX its located under the bathroom sink. It may just be a loose connection.
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Desert185 🇺🇸 (Retired Chemtrail vendor)
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05-26-2015, 02:15 PM
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#4
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Member
Join Date: Apr 2015
Location: Southern NH
Posts: 51
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After reading several posts on this issue I just removed the vacuum breaker/check valve, and purchased one that goes on the end of the garden hose I use to hook up the balck tank flush. Figured the failure of this part seems inevitable, remove it before it becomes an issue.
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05-26-2015, 02:39 PM
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#5
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Senior Member
Join Date: Nov 2010
Posts: 692
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Check valve
Hmmm, going to check under the bathroom sink.... Stay tuned.
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2011 F350 DRW 4X4
"The Beast"
2011 Cougar 325 SRX
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05-26-2015, 04:41 PM
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#6
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Senior Member
Join Date: May 2010
Location: Rochester, NY
Posts: 1,605
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It may also be installed backwards or loose pex connections at the fitting. I have seen both.
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05-26-2015, 06:55 PM
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#7
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Senior Member
Join Date: Apr 2011
Location: Arrey,
Posts: 2,368
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jje1960, Howdy;
Quote:
Originally Posted by jje1960
Our black tank rinse check valve has stuck, water pours out of the hole in the compartment right above the dump valves. Anyone know how to get at the check valve for replacement?
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Got a pic. of that of which you refer??? Seems like Keystone has as many
ways to install that POC valve as they do models of RVs. Also, how far
above ground level is the attachment fitting?The more info you can provide
us with ... the better we can help you.
hankaye
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05-28-2015, 01:25 AM
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#8
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Senior Member
Join Date: May 2011
Location: forked river nj
Posts: 314
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my ck valve (vacuum breaker) in under the bath sink. I had to replace mine a few few years back. as it leaked in the spring when un winterizing. I had blown it out as well as pumped antifreeze through it.
I would not eliminate it as, its job is to stop black water from siphoning out of the tank, as the water in the tank is at a mid way point. If the Rv manufacture could save $$ they would.
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2011 F250- gas- 4 star tuner- k&n intake
2011 Cougar 325srx
2015 KTM 350 exc-r
KTM 300 xc-sold
ktm 450 exc-r
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05-28-2015, 01:41 PM
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#9
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Senior Member
Join Date: Nov 2010
Posts: 692
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Check valve
Quickly looked under the sink yesterday evening... Didn't see any valves. I suspect it's under the main flooring, however above the storage area ceiling... Have no idea how to get in that space, have to really check it all out this weekend. Just hope I don't need to strip the storage compartment material covering and cut any holes... What a pain.
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2011 F350 DRW 4X4
"The Beast"
2011 Cougar 325 SRX
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05-28-2015, 02:19 PM
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#10
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,979
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Before you go "exploring" in "Geo's underbelly area", doublecheck under your bathroom sink. The anti-siphon valve is very hard to see under there. Look for the plumbing lines. You should have four 1/2" PEX lines. One blue, one red (hot/cold water) and 2 white (anti-siphon valve). I've seen a number of owners "swear" that it's not under the sink, and then when I show them, it's "right there" all the way up, behind the sink, rubbing the bottom of the countertop...
You could very well be right, and it's not under your sink, but one more quick check wouldn't hurt just to be sure....
Good Luck and here's hoping it's easy to find !!!
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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05-28-2015, 02:33 PM
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#11
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Senior Member
Join Date: May 2010
Location: Rochester, NY
Posts: 1,605
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Also, look where the flush piping appears to go upward into the flooring. The valve could also be located inside a wall cavity above that point. The valves are generally located at a point above the toilet bowl valve opening. Is the piping going up near where the shower valves are? It could be located in the wall cavity behind the shower valve assembly. If so, remove the valve plate (4 screws) and shine a light in there. You may see it.
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05-29-2015, 04:16 AM
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#12
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Senior Member
Join Date: Apr 2015
Location: RDU Carolina
Posts: 129
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After reading this I think I might have a problem with my 1/2 bath clean out system. The main black tank seemed to flush just fine but I had a lot of back pressure at the point of hook up and was leaking water through my quick disconnect on the rear black tank and was not getting much water through the slinky. Fortunately water was not going in the unit either...just out the quick disconnect. Going to look at it this weekend...I did a quick Google search, is this the valve that I should be looking for?
http://cdn.forestriverforums.com/for...6&d=1375324678
Is it a case where they are just stuck and can be repaired or does a new valve need to be installed?
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2016 Keystone Carbon 357
2006 F350 4WD CC LB DRW (aka Big Sexy)
Reese 20K Goose Box/Draw-Tite Remove-a-Ball
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05-29-2015, 04:34 AM
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#13
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Don't know nothing about this company but here is a brass replacement..
http://www.pdxrv.com/catalog/i2836.html
Me.... I just hard wired it with PEX fittings and use a hose bib vacuum break..
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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05-29-2015, 08:11 AM
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#14
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Quote:
Originally Posted by Face Down
After reading this I think I might have a problem with my 1/2 bath clean out system. The main black tank seemed to flush just fine but I had a lot of back pressure at the point of hook up and was leaking water through my quick disconnect on the rear black tank and was not getting much water through the slinky. Fortunately water was not going in the unit either...just out the quick disconnect. Going to look at it this weekend...I did a quick Google search, is this the valve that I should be looking for?
http://cdn.forestriverforums.com/for...6&d=1375324678
Is it a case where they are just stuck and can be repaired or does a new valve need to be installed?
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That's it. It just has a plastic flapper valve in it. Nothing to repair. If it breaks, buy another or eliminate it like Javi.
I always use a water pressure regulator on the green hose I use for flushing the tank in case the water pressure at the time is over the design limit for the plumbing. This cheap, flimsy valve and whatever plastic they have at the sprayer end in the tank is more than likely the weak point of the Pex plumbing system, so why create further maintenance challenges?
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Desert185 🇺🇸 (Retired Chemtrail vendor)
-Ram 2500 QC, LB, 4x4, Cummins HO/exhaust brake, 6-speed stick.
-Andersen Ultimate 24K 5er Hitch.
-2014 Cougar 326SRX, Maxxis tires w/TPMS, wet bolts, two 6v batts.
-Four Wheel 8' Popup Camper.
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06-27-2015, 08:58 AM
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#15
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Senior Member
Join Date: Nov 2010
Posts: 692
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Valve
Quote:
Originally Posted by JRTJH
Before you go "exploring" in "Geo's underbelly area", doublecheck under your bathroom sink. The anti-siphon valve is very hard to see under there. Look for the plumbing lines. You should have four 1/2" PEX lines. One blue, one red (hot/cold water) and 2 white (anti-siphon valve). I've seen a number of owners "swear" that it's not under the sink, and then when I show them, it's "right there" all the way up, behind the sink, rubbing the bottom of the countertop...
You could very well be right, and it's not under your sink, but one more quick check wouldn't hurt just to be sure....
Good Luck and here's hoping it's easy to find !!!
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Unbelievable... Weeks later now... finally thought I would just take one more look under the sink.... Quickly realized that there was four water lines running up there under the sink, behind the sink... Yea, it's hidden up there.... The water must have just run down the lines and out the hole coming through the floor. Thanks for the help, I should have looked closer with the flashlight in the first place.....
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2011 Cougar 325 SRX
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