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10-18-2018, 07:55 PM
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#1
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Senior Member
Join Date: Jun 2014
Location: Fenton
Posts: 59
Michigan
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Changing dump outlets from two to one
Hi everyone
We just bought a new voltage (2017 ) 3890. This one is a bath an half model.
I would like to know if anyone has changed the dump tank outlets from two to one?
I would like to do this so I only need one sewer hose ? Has anyone done this?
I'm having trouble finding the right pluming pcs do do this?
Thanks for all the help .
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10-21-2018, 07:37 PM
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#2
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Senior Member
Join Date: Sep 2017
Location: Calabasas
Posts: 782
California
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I have a 3305 which has two gray tanks but all my tanks flow out the same connection. The rear gray is plumbed into the front. I have two gray valves though. I am surprised they didn’t do the same with the black tanks. How annoying to have to disconnect and reconnect your sewer hose when dumping.
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2018 Voltage 3305
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10-21-2018, 09:32 PM
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#3
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,040
Florida
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They may not want the tanks to flow between each other if they are interconnected without backflow valves of some sort. If they are on the same level, the water levels will tend to be equal (or one will flow into the other) if there is not a valve between them.
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10-21-2018, 11:23 PM
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#4
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Senior Member
Join Date: May 2013
Location: Cody
Posts: 1,764
Wyoming
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I don't have a rear bath (toilet), but got a friend who does and wanted to have the dealer do the same thing when they installed his electric valves.
He was told the reason they usually don't plumb the rear black tank to the front dump location was due to the inability to attain a steep enough angle between the 2, because of the length of the required run. In other words... the pitch would be so shallow that a good flow from the rear to the front would not be guaranteed... possibly leaving some debris in the drain.
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Tom
2013 VOLTAGE 3200 (EPIC I & II)
2014 Ford F-450 PLATINUM
2018 BMW R1200GS RALLYE
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10-22-2018, 06:12 PM
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#5
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Senior Member
Join Date: Jun 2014
Location: Fenton
Posts: 59
Michigan
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Ok
Thanks for all the input.
I guess I will have to go look at the momentum and fusion to see how they did it. That was one of the reason I went and looked at them to start with. Just couldn't find the layout that my wife and I liked.
Thanks again
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10-23-2018, 04:47 PM
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#6
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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You would still need two hoses but you could put a Y in your main hose and hook together ?
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10-23-2018, 05:10 PM
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#7
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,040
Florida
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Quote:
Originally Posted by Local150
You would still need two hoses but you could put a Y in your main hose and hook together ?
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https://www.walmart.com/ip/Camco-Rhi...waAqBjEALw_wcB
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10-23-2018, 05:13 PM
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#8
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Senior Member
Join Date: Jan 2015
Location: Roselle
Posts: 1,292
Illinois
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That's what I did. Still a PITA though with two hoses, especially if you have a long run to the sewer.
Rusty
__________________
2015 Black F-350 Platinum Diesel Dually Crew Cab
2019 Riverstone Legacy 38MB (Full Paint/All Options)
2015 Voltage 3990 (Full Paint, All Options) Sold 6/18
2005 Harley Ultra Classic w/too many miles
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10-23-2018, 07:36 PM
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#9
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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Quote:
Originally Posted by lcv800
That's what I did. Still a PITA though with two hoses, especially if you have a long run to the sewer.
Rusty
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I understand what you are saying a PIA for sure. About the only way I can think of
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10-24-2018, 01:10 AM
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#10
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Member
Join Date: Oct 2017
Location: Fulltime RVr. Where I park it. NOW: Heber/Overgaard AZ
Posts: 17
Arizona
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You don't disconnect you use a Y so they both dump. Don't mess around it will only cause headaches.
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10-24-2018, 09:19 PM
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#11
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Member
Join Date: Jun 2017
Location: Idaho
Posts: 37
Idaho
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We spent a year with a v3600 and 2 sewer connections. Not that big of a deal. Use the front bathroom if it's a problem.
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10-24-2018, 09:30 PM
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#12
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Senior Member
Join Date: Mar 2015
Location: Fairborn
Posts: 76
Ohio
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The reason there is a second black tank connection is: The pipe interconnect (3") would not have enough "fall", the Suspenion would not have sufficient travel distance, and there is some cross frame steel right above the axles.
The reason there is a single grey tank connection is: The interconnect pipe (1.5") is small enough and short enough to get required "fall", the pipe is small enough to avoid interference with travel distance, and it drops enough to miss cross frame steel.
I have 3605 with half bath and same situation as you.
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Doug & Tiffany
2016 F-350 Platinum DRW
2010 Harley Davidson FLHTK (Ultra Limited)
2015 Voltage 3605
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10-25-2018, 12:15 AM
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#13
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Member
Join Date: Feb 2018
Location: West
Posts: 11
Washington
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I have had an outback and Denali with two dump valves on each and I got two short hoses and a y and it works fine. One is mid ships (black) and gray and galley grey at the back fifteen feet away.
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2017 Denali 289 RK tow rig 2017 ram Cummins 4x4 2500 cc sb
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10-25-2018, 03:09 AM
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#14
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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I read a lot on here of people putting electric dump valves on their rv,, what is the purpose,, are their problems with them often ,,, and how costly. Thanks in advance
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10-25-2018, 10:56 AM
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#15
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Senior Member
Join Date: Apr 2014
Location: Benton
Posts: 156
Tennessee
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The purpose is to replace the problematic cable operated valves that come on a lot of models. If you're under there replacing a bad cable valve anyway, why not install a more reliable electric valve instead of replacing a problem with another problem?
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2015 V 3305
2018 Ram 3500 Cummins 6-speed manual
2002 Goldwing Trike
2012 EZ-GO 2FIVE LSV 2014 Gem E4 LSV
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10-25-2018, 11:33 AM
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#16
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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Quote:
Originally Posted by 3wheeler
The purpose is to replace the problematic cable operated valves that come on a lot of models. If you're under there replacing a bad cable valve anyway, why not install a more reliable electric valve instead of replacing a problem with another problem?
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Good answer
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10-25-2018, 02:32 PM
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#17
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,040
Florida
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I replaced my cable type valves for two electrics. have not had a chance to use them yet.
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10-25-2018, 02:59 PM
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#18
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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Quote:
Originally Posted by franktafl
I replaced my cable type valves for two electrics. have not had a chance to use them yet.
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Ok thanks for joining in. Is there a switch somewhere or what
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10-25-2018, 03:24 PM
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#19
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Senior Member
Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,040
Florida
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Quote:
Originally Posted by Local150
Ok thanks for joining in. Is there a switch somewhere or what
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they put the switches under the RV where the old pull handles were. They wired into the power panel inside and used 3 amp fuses for each one on the DC side. I checked with the MFR to see if they were IP rated and they just told me that they were water resistant and where they were mounted was OK.
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10-25-2018, 04:09 PM
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#20
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Senior Member
Join Date: Sep 2018
Location: prophetstown
Posts: 376
Illinois
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Quote:
Originally Posted by franktafl
they put the switches under the RV where the old pull handles were. They wired into the power panel inside and used 3 amp fuses for each one on the DC side. I checked with the MFR to see if they were IP rated and they just told me that they were water resistant and where they were mounted was OK.
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Ok thanks for clearing that up for me,, interesting,, thnx again
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