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11-17-2016, 08:21 AM
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#1
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Junior Member
Join Date: Nov 2016
Location: Columbia
Posts: 7
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Black and Gray tank labels reversed on new 33RES
Just finished our first trip on our 2016 33RES. When we got home I was giving final cleaning to black tank and noticed that the valve that is labeled GRAY is the one that drains the black tank goop. Luckily when I turned on flush water I had both black and gray valves open or could have damaged the black tank. I have emailed Keystone about this with photo and requested new labels to put on.
__________________
Paul and Jan Hobbs
Columbia, MO
33RES towed by 2012 F250
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11-17-2016, 11:31 AM
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#2
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Senior Member
Join Date: Apr 2016
Location: Bainbridge NY
Posts: 214
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Re: Black and Gray tank labels reversed on new 33RES
When dumping and having both valves open wouldn't the black tank contaminate the gray tank ?
I never had both open at same time ?
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2017 Keystone 1750rd
2006 Hummer H3
1968 Oldsmobile 442
1983 Honda CX650C
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11-19-2016, 09:00 PM
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#3
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,234
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Re: Black and Gray tank labels reversed on new 33RES
Quote:
Originally Posted by fourfourto
When dumping and having both valves open wouldn't the black tank contaminate the gray tank ?
I never had both open at same time ?
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Waste water would have to flow uphill from the termination fitting into the gray tank. If both tanks are flowing then they mix in the hose.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-21-2016, 06:50 AM
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#4
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Senior Member
Join Date: Apr 2013
Location: Ontario, Canada
Posts: 102
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Re: Black and Gray tank labels reversed on new 33RES
Quote:
Originally Posted by chuckster57
Waste water would have to flow uphill from the termination fitting into the gray tank. If both tanks are flowing then they mix in the hose.
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IF the drain hose got clogged, highly unlikely, the tanks would equalize.
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Retired Air Traffic Controller 38 yrs
2021 Montana 3780RL
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11-17-2016, 11:51 AM
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#5
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Junior Member
Join Date: Nov 2016
Location: Columbia
Posts: 7
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Re: Black and Gray tank labels reversed on new 33RES
I dump the black then dump the gray to flush the discharge pipe. Never have both open until the black stops draining. This rig has two gray and one black tank and valves.
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Paul and Jan Hobbs
Columbia, MO
33RES towed by 2012 F250
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11-19-2016, 08:52 PM
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#6
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Junior Member
Join Date: Sep 2016
Location: Vermont
Posts: 17
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Re: Black and Gray tank labels reversed on new 33RES
Quote:
Originally Posted by PaulandJan
Luckily when I turned on flush water I had both black and gray valves open or could have damaged the black tank.
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Just FYI, you wont damage the tank by having the valve closed while using the tank flush.
The reason the tank flusher warns to keep the valve open is because they are afraid people will get distracted, over fill the tank via the flusher, and end up with black water coming up through the toilet (or out the roof vent!).
I always close mine so that the flusher fills the tank some so I have an extra volume of water to help move waste out. I do this procedure a couple times typically.
When I do it though, I NEVER wander away or do other tasks and I keep a close eye on the panel to monitor the tank level.
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2016 Bullet 274BHS
2015 Silverado 1500
Andersen no-sway WDH
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05-27-2023, 09:35 AM
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#7
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Senior Member
Join Date: May 2019
Location: Cotulla, TX
Posts: 459
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Quote:
Originally Posted by poppin_fresh
Just FYI, you wont damage the tank by having the valve closed while using the tank flush.
The reason the tank flusher warns to keep the valve open is because they are afraid people will get distracted, over fill the tank via the flusher, and end up with black water coming up through the toilet (or out the roof vent!).
I always close mine so that the flusher fills the tank some so I have an extra volume of water to help move waste out. I do this procedure a couple times typically. When I do it though, I NEVER wander away or do other tasks and I keep a close eye on the panel to monitor the tank level.
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A few comments about the above quote. [you won’t damage the tank by having the valve closed while using the tank flush.] I shudder when I see this posted as a comment. It’s been a long time (perhaps a year or two) since I remember anyone having posted their horror story of the black tank rupturing from an unattended drain valve left closed. BUT there have been many over the years. A toilet not only keeps a small amount of water residing in the bowl after a flush, but also will not relieve the over filling from its underside when a 5+ gallon per minute influx is flowing into the black tank. Instead, the water/effluent mixture will be directed to the vent pipe. Notice this is called a vent pipe not a relief pipe. I’ll forego the detailed physics of how a column of liquid can exert enormous pressure to the top of the black tank. Suffice it to say that between the moment liquid starts to enter the vent pipe (zero pounds lift) and a few seconds later as it reaches the opening on the roof, an approximate 4,000 lbs of lifting force will be exerted to the tank’s top. While the newer roto-casted current black tanks MAY survive the overfilling to the point where effluent may actually make it to the open roof vent, I’ve not heard of, or seen any data that that claims the new mfg process can withstand that happening. Undoubtedly the older style (upper/lower halves glued together) will split open, often with a bang. Personally, I would not use the tank indicator to signal when to open the flush valve. Black tank indicators are notorious for being inaccurate. Using an inline flow meter or setting of a timer to remind to open the drain valve, would be safer. Also remember, that as the tank becomes mostly full, the rinser head becomes buried and stops spraying the tank walls. It’s safer and more useful to flush and dump several times than try to entirely fill and then dump.
__________________
Mesa, AZ
2019 Alpine FL3700
2020 F-350 King Ranch
Retired Fire Capt/paramedic 34 yrs
Current owner 2 HVAC companies
Past owner Res/Com electrical
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11-20-2016, 07:48 PM
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#8
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Senior Member
Join Date: Apr 2013
Location: Green Valley, AZ
Posts: 782
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Re: Black and Gray tank labels reversed on new 33RES
No you won't contaminate the gray water tank unless your water flows uphill. Reversed labels is one of the best kept secrets...I think employees do it for the heck of it! Happens all the time.
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Earl
2007 33.5' Arctic Fox Fifth Wheel used for full-timing for several years--now sold
2011 Hideout 23RKSWE that we now use for poking around local parks
2007 Chevy 3/4 ton diesel with Prodigy Brake Control
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11-21-2016, 06:31 AM
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#9
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Senior Member
Join Date: Jan 2011
Location: Arvada, CO
Posts: 708
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Re: Black and Gray tank labels reversed on new 33RES
I think the dislexic guy who installs the dump labels was on vacation on the day my trailer was built. They just didn't install labels at all on mine. At least I wasn't misled into "assuming" which was which. BTW, on mine, "back is black". Of course, YMMV.
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2010 Laredo 245RL
2007 Dodge Ram 2500 CTD 4x4
Andersen Ultimate Gooseneck mount
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11-21-2016, 06:45 AM
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#10
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Senior Member
Join Date: Aug 2011
Location: WESTERN,CT
Posts: 2,095
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Re: Black and Gray tank labels reversed on new 33RES
Somewhere in a break room in Inidana is a guy with a funny grin! " yep got me another one" the label thing has been going on for years It is almost a Keystone trademark!
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BARNEY AND CHRISTINE
2010 MONTANA 3750FL
2005 DODGE 3500 DUALLY TD
2 RESCUE PUPS: SUSITNA AND CRYSTAL. RIP ALYESKA!
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05-26-2023, 04:06 AM
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#11
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Junior Member
Join Date: May 2023
Location: Texas
Posts: 2
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Here we are years later and it’s still happening. I have a 2019 Keystone Cougar 369BHS and the tank valve labels are backwards.
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05-26-2023, 08:39 AM
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#12
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,598
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Quote:
Originally Posted by Gadgetpro71
Here we are years later and it’s still happening. I have a 2019 Keystone Cougar 369BHS and the tank valve labels are backwards.
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Welcome! Where would Texas, Ohio be?
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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05-26-2023, 08:48 AM
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#13
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,836
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Quote:
Originally Posted by sourdough
Welcome! Where would Texas, Ohio be?
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About halfway between Napoleon and Waterville (not Waterloo)...
About 20-25 miles southwest of Toledo.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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05-26-2023, 10:29 AM
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#14
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,598
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Quote:
Originally Posted by JRTJH
About halfway between Napoleon and Waterville (not Waterloo)...
About 20-25 miles southwest of Toledo.
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And there it is! I used googlemaps and it didn't take me anywhere so thought it might be ohio, tx which gave me a zip but just zeroed in on a blank area. Went back and tried again and I found it. Wish I was somewhere near a river like that.
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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11-21-2016, 07:15 AM
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#15
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Senior Member
Join Date: Jan 2011
Location: Arvada, CO
Posts: 708
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Re: Black and Gray tank labels reversed on new 33RES
I was thinking about those labels, and have to give old Larry the Label guy a break. I'll bet his job is to install the labels in the same place, the same way, every time.
I believe it's Donny Carl, the Dump Cable guy, who's screwing up! He picks a pair (or triplet) of inter-twined, tangled together dump cables, sticks one end on the dump valves, sticks the other ends thru the frame and attaches handles. ... NEXT!
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2010 Laredo 245RL
2007 Dodge Ram 2500 CTD 4x4
Andersen Ultimate Gooseneck mount
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11-21-2016, 09:04 AM
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#16
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Re: Black and Gray tank labels reversed on new 33RES
Had to de-scale my Keurig yesterday. In the grand scheme of things, mislabeled tank valves are pretty low priority. Put a piece of duct tape, labeled "Black" with a Sharpie, on that valve handle and press on. No harm, minimum foul...until Thursday, then maximum fowl.
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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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05-26-2023, 04:52 AM
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#17
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Senior Member
Join Date: Jun 2022
Location: West Coast Florida
Posts: 243
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Quote:
Originally Posted by PaulandJan
Just finished our first trip on our 2016 33RES. When we got home I was giving final cleaning to black tank and noticed that the valve that is labeled GRAY is the one that drains the black tank goop. Luckily when I turned on flush water I had both black and gray valves open or could have damaged the black tank. I have emailed Keystone about this with photo and requested new labels to put on.
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This is another good reason to acquire the "see through" dump adapter. You'll never be misled again, promise you...
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2018 Outback 299URL
2020 F250 FX4 6.2L 4.30 AR
Equal-i-zer 10K WDH
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05-26-2023, 05:45 AM
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#18
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Junior Member
Join Date: May 2023
Location: Texas
Posts: 2
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I have on. Still doesn’t fix poor craftsmanship.
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05-26-2023, 09:29 AM
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#19
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Senior Member
Join Date: Jan 2013
Location: Indiana
Posts: 2,664
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Well, now that you the labels are opposite each other, why not just pull them off and use a sharpie and make your own label? Or for that matter, just remember which handle is which?
On my camper, the black tank has a black handle. The 2 gray tanks have a non-black, kind of silver grey color. My labels are there, but they are not anywhere near the valves. They are worthless.
About black water into the grey tank? I REALLY don't think that hurts anything. I can't imagine poop water backing up into the kitchen sink? Can you?
I backflush my grey into my black to help rinse it out. Both tanks flow to one discharge point. By inserting a Flush King valve on the end (and yes, that clear section is priceless), you dump the black tank first completely. Then close the flush king and let the grey water flow BACK into the black tank. Let it equalize and then close the grey again so no black will go into the grey. Now open the black again and watch the magic! Depending on how much water is in the grey, you can do this 3 times, and then still have enough grey water for a final rinse of the sewer hose. This saves running the black tank flusher and also cleans out the black tank, and saves a lot of water.
__________________
2019 Montana High Country 375FL
2014 Chevy Duramax HD 6.6 - 3500 Diesel Dully Long bed Crew Cab
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05-27-2023, 08:17 AM
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#20
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Senior Member
Join Date: May 2019
Location: Cotulla, TX
Posts: 459
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Quote:
Originally Posted by PaulandJan
Just finished our first trip on our 2016 33RES. When we got home I was giving final cleaning to black tank and noticed that the valve that is labeled GRAY is the one that drains the black tank goop. Luckily when I turned on flush water I had both black and gray valves open or could have damaged the black tank. I have emailed Keystone about this with photo and requested new labels to put on.
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Here’s another solution, different color handles available from Amazon and other fine retailers.
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