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02-19-2018, 07:31 PM
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#1
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Junior Member
Join Date: Dec 2017
Posts: 16
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Black tank won’t drain
Hello I just went to dump my black tank in my xlr nitro 42ds5 and I won’t drain. What now? Can I use the black tank flush to try and in block what ever is blocking it. Yes we use rv paper never had this problem before. We live in this camper. Any suggestions would be great
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02-19-2018, 07:38 PM
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#2
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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First don't use the black tank flush if you have a blockage. I have one of those clear plastic fittings for the dump connection that has a hose connection to back flow the tank to wash it out I would try that first. let the forum know what you do to clear the blockage.
__________________
Retired Navy
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02-19-2018, 08:07 PM
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#3
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Junior Member
Join Date: Dec 2017
Posts: 16
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Also valve is hard to open
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02-19-2018, 08:32 PM
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#4
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Senior Member
Join Date: Jun 2016
Posts: 5,061
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Where are you and what is the temperature? Possibly frozen???
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Al
I am starting to think, that I will never be old enough--------to know better.
Tolerance will reach such a level that intelligent people will be banned from thinking so as not to offend the imbeciles. Fyodor Mikhailovich Dostoevsky, Russian Novelist
S.E. Mich. Flagstaff 26FKWS / 2022 F-150 3.5 EcoBoost SCrew Propride
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02-19-2018, 08:37 PM
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#5
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Junior Member
Join Date: Dec 2017
Posts: 16
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I’m in Sacramento ca it did get to 30 last night but know one else is having problems around the park so I don’t think that is the problem
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02-19-2018, 08:40 PM
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#6
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Senior Member
Join Date: Jan 2017
Location: Kalamazoo
Posts: 2,139
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My first thought was the temp and it being froze. I did have that issue once after a cold spell over a late weekend trip but it broke loose while at the dump station.
Hard to open? also hard to close? Is it possible the pull handle separated from the actually blade that closes off? If that was the case though I would think the handle would be in your hand?
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02-19-2018, 08:42 PM
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#7
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Senior Member
Join Date: Dec 2014
Location: Aurora, Co
Posts: 180
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We had a blockage years ago in our old TT. When they built it and cut the hole in the top of the black tank for the toilet, they left the plastic disc in the tank. Years later it finally worked its way over to the drain and plugged on our trip. We used the device Seadog described to blast the disc back in and start the flow again. In the end I had to remove the whole valve assembly and fish (literally used an old fishing rod with a bent nail taped to the end) the disc out. HTH.
__________________
2015 puma 295bhss
2009 ram 3500 6.7l ctd
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02-20-2018, 12:15 AM
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#8
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Junior Member
Join Date: Dec 2017
Posts: 16
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I end up getting it unclogged by dumping boiling water down the tank about 3 gallons worth. I know the tank was not froze. It must have lose do up everything just enough!
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02-20-2018, 02:42 PM
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#9
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Senior Member
Join Date: Feb 2017
Location: Northern CA
Posts: 528
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When they installed my black tank, they cut an opening to install the flush unit. The round plastic disc that resulted from that cut fell into thetank and plugged the drain on my first trip. I ended up using a septic pumper and got it cleared. Maybe thats your problem!
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02-20-2018, 06:00 PM
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#10
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Member
Join Date: Jun 2015
Location: Houston TX
Posts: 59
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Could be a vent through the roof blocked. Check to see if all roof vent caps are in place if one is missing that vent pipe could be blocked. Make sure none are obstructed with debris while up there. If possible and connected to sewer leave black valve open for an hour or so to see if drainage is slow. Another indicator of a blocked vent.
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02-20-2018, 11:24 PM
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#11
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Senior Member
Join Date: Dec 2015
Location: Yakima, WA
Posts: 131
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Check out youtube, in the search area type in "making a tool to unclog RV toilet" and a whole host of videos will be available to make a tool out of pex to take care of this type of problem.
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02-21-2018, 09:47 AM
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#12
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Site Team
Join Date: Sep 2014
Location: Northen IL
Posts: 8,334
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The OP responded in post #8 that the problem has been resolved.
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02-21-2018, 10:00 AM
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#13
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by Mattiep89
I end up getting it unclogged by dumping boiling water down the tank about 3 gallons worth. I know the tank was not froze. It must have lose do up everything just enough!
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The tank itself will be the last thing to freeze. The 3" drain pipe and valve, which is "hanging out in the breeze," is the first thing to freeze. I'm guessing you froze up.
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2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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02-21-2018, 11:01 AM
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#14
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Senior Member
Join Date: Jul 2014
Location: SouthWest Michigan
Posts: 5,977
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Try a toilet wand ???
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02-21-2018, 11:30 AM
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#15
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Senior Member
Join Date: Sep 2013
Location: Texas
Posts: 1,183
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Quote:
Originally Posted by Mattiep89
I end up getting it unclogged by dumping boiling water down the tank about 3 gallons worth. I know the tank was not froze. It must have lose do up everything just enough!
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Could be you are not using enough water when you flush. Water is the best friend of your black tank, use lots of water. Only dump when the tank is at least 3/4 full.
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Joe & Beverly
2014 Ram 2500 CTD, CC, SB
2014 8289WS lifted
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02-21-2018, 11:34 AM
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#16
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Senior Member
Join Date: Jul 2014
Location: SouthWest Michigan
Posts: 5,977
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Quote:
Originally Posted by PhoneDude 8289
Could be you are not using enough water when you flush. Water is the best friend of your black tank, use lots of water. Only dump when the tank is at least 3/4 full.
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Right On !!!
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02-21-2018, 02:53 PM
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#17
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Senior Member
Join Date: Dec 2015
Location: Yakima, WA
Posts: 131
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Quote:
Originally Posted by Iwritecode
The OP responded in post #8 that the problem has been resolved.
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I am not sure if this was directed at my post, however, I did read that the problem was solved. The reason for my input was for any future incident, if he is living in his unit, it may happen again. This was a way for him to be prepared for the next time.
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02-21-2018, 03:31 PM
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#18
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Empty Nesters
Join Date: Aug 2017
Location: Santa Maria, CA
Posts: 361
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Quote:
Originally Posted by PhoneDude 8289
Could be you are not using enough water when you flush. Water is the best friend of your black tank, use lots of water. Only dump when the tank is at least 3/4 full.
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If you are on the road and using full hookups every night, and you only end up with 1/3 of a tank by the time you are breaking camp for the next days drive...should you dump the tank or haul it around for the day and wait until the next night to have a fuller tank?
__________________
2017 Sunseeker 2250 24' MH
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02-21-2018, 07:39 PM
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#19
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Senior Member
Join Date: Dec 2015
Location: Yakima, WA
Posts: 131
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If its not a towing weight issue, I would leave it until the next night at your new location. It will slosh around a little and help break up any solids as well.
I mentioned weight issue because I am not sure how close to capacity you load your trailer, your gear, and yourselves.
If you want to dump it before you leave, you can always flush the black tank to ensure that nothing is left in it.
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02-22-2018, 03:30 PM
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#20
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Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 2,147
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Quote:
Originally Posted by tgold
Could be a vent through the roof blocked. Check to see if all roof vent caps are in place if one is missing that vent pipe could be blocked. Make sure none are obstructed with debris while up there. If possible and connected to sewer leave black valve open for an hour or so to see if drainage is slow. Another indicator of a blocked vent.
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I rather thought that leaving the black valve open would guarantee a blockage. A poop volcano or human Bandini Mountain will result from leaving the black tank valve open. If you can, run a hose from the hot water heater in the house to your rv toilet. Fill it clear up til you can see the water at the base inside the toilet. Then dump again. If in the park, I guess you might be limited by what the hot water heater will produce, but in mine the shower hose will reach the toilet and with gas and electric on, mine will pump a whole lot of hot before it runs out.
keep flushing til it all works right or at least til it is all clean, because if you have to disassemble the black gate valve you will appreciate clean a bunch
And yes I know that from EXPERIENCE.
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In Sunny So Cal /w
Now in 2005 Holiday Rambler Ambassador DP and The Hot Air Balloon RESTLESS
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2017 Sandstorm 250 T.H.
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