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07-06-2020, 06:23 AM
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#41
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Senior Member
Join Date: Jan 2020
Location: Hartford AL
Posts: 439
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To help keep the black and grey tanks less stinky we have used a good dish washer liquid such as Cascade etc. Not the packets but the liquid which we dilute in a bowl first and add to the tanks. In addition to degreasers it has wetting agents to help in the rinsing. Sort of accidentally discovered it when partial dry camping at the Winnebago factory and we had to conserve waste tank space. We washed dishes in a tub and poured into the toilet. When I did get to a dump station it seemed to help the flushing. Just our experiences.
__________________
2021 Omni SX32
2012 Crusader 355BHQ (girl friends)
2020 Ram 1500 Laramie 4WD, toad
2019 Harley Davidson Heritage Classic 114 (the toy)
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07-14-2020, 12:04 PM
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#42
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Junior Member
Join Date: Jul 2020
Location: Berthoud
Posts: 6
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Black tank flush does not work
I have a 2017 Keystone Hideout. Hooked up hose to the trailer and open Black tank and no water flowed into the black tank. The valve under the sink shows direction of water, but do not know what direction it should go. Can anyone help? Not sure if the picture i attached worked right.
Thanks,
Owen Thomas
Berthoud, CO
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07-14-2020, 02:14 PM
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#43
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,330
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Quote:
Originally Posted by owenandkathy
I have a 2017 Keystone Hideout. Hooked up hose to the trailer and open Black tank and no water flowed into the black tank. The valve under the sink shows direction of water, but do not know what direction it should go. Can anyone help? Not sure if the picture i attached worked right.
Thanks,
Owen Thomas
Berthoud, CO Attachment 28673
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Owen, first, welcome to the forum. Second, your back flow preventer is probably installed backward. Third, do a search above and dozens of posts will come up. And last but not least, start a new post with " Black tank flush does not work" as the header and answers will be forthcoming. I promise!
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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07-14-2020, 02:30 PM
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#44
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Quote:
Originally Posted by owenandkathy
I have a 2017 Keystone Hideout. Hooked up hose to the trailer and open Black tank and no water flowed into the black tank. The valve under the sink shows direction of water, but do not know what direction it should go. Can anyone help? Not sure if the picture i attached worked right.
Thanks,
Owen Thomas
Berthoud, CO Attachment 28673
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If you're not getting flow with this way turn it around (takes about 2 minutes), then if no flow something else is the issue.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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07-14-2020, 03:52 PM
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#45
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Junior Member
Join Date: Jul 2020
Location: Berthoud
Posts: 6
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Thanks for the messages. I did turn the valve around, and still no water into the tank. There was water to the valve both ways i installed. Can the valve be bad? Is there a way to know that, other then replace? Notanlines, i did try to start a new thread, but could not figure out how to do it. When i am in Keystone Tech Forums, i do not see anyway to start a new thread.
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07-14-2020, 06:41 PM
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#46
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,330
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Above and on the left click on "Forum." Scroll down and click on "Repairs and Maintenance." Click on "New post." You'll be home free.
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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07-14-2020, 07:54 PM
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#47
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,995
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Quote:
Originally Posted by owenandkathy
Thanks for the messages. I did turn the valve around, and still no water into the tank. There was water to the valve both ways i installed. Can the valve be bad? Is there a way to know that, other then replace? Notanlines, i did try to start a new thread, but could not figure out how to do it. When i am in Keystone Tech Forums, i do not see anyway to start a new thread.
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There is no way to "start a new thread" in the Keystone Tech Forums category. You can't start a thread in any of the "blue banner sub group headers". That is a "thread category header" and not a place where any threads are started. Choose any of the sub sections under that heading and you'll see the "NEW THREAD" button on the top left corner, just above the first thread title.
If you do start a new thread, please look over ALL the forum sections and start the thread in the section most applicable to the topic. It does little good for anyone if you start a thread about your black tank in the TOWING section (as an example).... Do a little "thinking about where it would fit best" and you'll likely get much better results in responses....
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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07-28-2020, 06:44 PM
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#48
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Junior Member
Join Date: Mar 2019
Location: Surrey
Posts: 10
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Black tank odour
When I dump my black tank, then flush, the trailer fills with the most noxious sewer odour. I’ve had many RVs and I never had this problem. I do use chemicals and add water but this almost unbearable. Could it be a plugged vent? Any help please.
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07-28-2020, 06:51 PM
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#49
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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Quote:
Originally Posted by HRoper
When I dump my black tank, then flush, the trailer fills with the most noxious sewer odour. I’ve had many RVs and I never had this problem. I do use chemicals and add water but this almost unbearable. Could it be a plugged vent? Any help please.
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I hear this a lot. I never get a whiff. I never use chemicals or anything, reason is the stuff isn't in there long enough for most things to work. I even have the bathroom MaxxFan running in exhaust mode and when I flush still no smell. I do know my vent is open as I had a reason to check it with a hose from the roof.
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07-28-2020, 07:03 PM
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#50
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Junior Member
Join Date: Mar 2019
Location: Surrey
Posts: 10
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It’s the worst when tank is first emptied but gets progressively better. Haven’t had this trailer very long, don’t know what the previous owners used.
__________________
2011 GMC 2500hd Duramax
2015 Keystone Cougar 280rls
Past 2005 Cougar 286efs
British Columbia, Canada
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07-28-2020, 07:06 PM
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#51
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Junior Member
Join Date: Mar 2019
Location: Surrey
Posts: 10
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What is the best way to check for a blocked vent?
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07-28-2020, 07:15 PM
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#52
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,750
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If the vent was blocked it wouldn't drain properly. It would "chug-a-lug" as air would have to enter thru the drain hose. Think of taking a gallon jug and turning it upside down to pour out the contents.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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07-28-2020, 07:36 PM
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#53
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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Quote:
Originally Posted by HRoper
What is the best way to check for a blocked vent?
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Go up on the roof with a water hose. Turn it on slow and let it run while someone down below watches the clear elbow to see if water is coming out. If you don't have a clear elbow just wait a few minutes and if the water doesn't come up the vent it is open. BTW, the ONLY place I get a smell is on the roof from the vents!
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07-28-2020, 08:26 PM
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#54
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Junior Member
Join Date: Mar 2019
Location: Surrey
Posts: 10
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So... if the vent is ok, any other suggestions as to what would create such a smell inside the RV?
__________________
2011 GMC 2500hd Duramax
2015 Keystone Cougar 280rls
Past 2005 Cougar 286efs
British Columbia, Canada
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07-28-2020, 08:35 PM
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#55
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Senior Member
Join Date: Sep 2017
Location: Qualicum Beach
Posts: 555
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Quote:
Originally Posted by HRoper
So... if the vent is ok, any other suggestions as to what would create such a smell inside the RV?
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If you do NOT have real P traps, then maybe the Hepvo valve needs replacement. Also, it doesn't hurt to put a trap in the sewer hose. I do that by letting the hose go to the ground right off the pipe, and then it goes up to the hose holder. This way there is always water in the hose so campground sewer gas cannot get back up the hose. Of course, black is closed, and grey may or may not be open when camping.
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