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Old 01-10-2018, 04:31 PM   #11
ctbruce
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Originally Posted by Nursiegrl View Post
Hi, these are probably dumb (2) questions, but it seems that my washer drains into my rear black tank. Question #1, why?? Why would a company drain a washer into a limited capacity black tank and not into gray or directly to the termination valve??
Question #2- is there any way to reroute where the washer drains?
Thank you for any help or tips you can give this Newbie!
This is a bad thing? Either open your valve while doing the wash or keep an eye on it and dump when needed. Either way would work in this situation.

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Old 01-10-2018, 05:03 PM   #12
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So which tank is black 1 and which is black 2? I emptied them both but the light indicators say one tank is still 2/3 full. Why would it do that? Is there anything I can do to fix it?
Tank sensors are notorious for being so inaccurate after the 1st fill or 2 to the point of being completely useless. Not much will help to make them accurate, yea you could use so called "sensor cleaners", magic elixirs, flushing with clear water til blue in the face, but they will still be inaccurate as soon as filled again.
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Old 01-10-2018, 05:50 PM   #13
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Think this is an open topic on the forum, ie have heard of washer drain running into a tank either Black or Gray and also bypassing the tanks going directly to the terminal outlet. My washer drain goes into the galley gray tank. As previously stated if the washer drain runs into a holding tank I would definitely monitor it when washing. If the drain did bypass the holding tank(s) and you where dry camping ( no Sewer hookup) they only way to use that washer I guess would be to run the wash water onto the ground. If you do a search you will find the various combinations
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Old 01-11-2018, 09:05 AM   #14
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Also you may need to do the flush with the black tank flush system they have installed on it. If applicable.....
Our 1 year old new to us Fuzion has the flush system. And the front black tank always showed full. Every other tank drain, I do the flush system. It gets us down to 1/3 on the indicator for front and will help the rear black tank and we'll go full empty.
I also started doing the GEO Method. Google it.
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Old 01-11-2018, 09:54 AM   #15
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Originally Posted by Nursiegrl View Post
So which tank is black 1 and which is black 2? I emptied them both but the light indicators say one tank is still 2/3 full. Why would it do that? Is there anything I can do to fix it?
Have you tried doing the black tank rinse, that hookup could be in your convenience center, or just on the drivers side of your RV. Hook up a hose to it and turn water on and watch water coming out of your sewer pipe. Some people close the main tank valve and let tank fill for a couple minutes before opening the valve to drain. Keystone doesn't recommend doing that for fear of overfilling the tank and busting it. So if you decide to fill tank some be watchful of how much is in it. Hopefully you have a clear fitting on it so as to monitor whats coming out when you do pull the valve open.
You may have to wash it a couple times to clear the sensors.
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Old 01-11-2018, 10:04 AM   #16
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I don't know what year RV you have but looking at a couple online I'm guessing your tank wash is in your convenience center as I don't see anything else on the side where they could be. I didn't see anything mentioned about them so its possible your doesn't have the black tank wash.
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Old 01-12-2018, 12:21 PM   #17
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I would love to do that but first off it is out of my expertise, second I dont want to void a warranty.
As your warranty is only 12-months, I don't know that this is a big deal.
And contrary to some rumors, modification of one component cannot void the warranty of an unrelated component. That is, if the front cap falls off your RV, they can't blame it on re-routing of tank plumbing... (ref: Magnuson Moss warranty act ). However, modification of the tank plumbing might void a warranty on the tank or plumbing leaks...
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Old 01-12-2018, 02:52 PM   #18
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"you were dry camping ( no Sewer hookup) the only way to use that washer I guess would be to run the wash water onto the ground" Dear Lord in heaven above, do NOT empty wash water or sink water onto the ground. Going behind a tree and visiting the coffee repository is just fine, but the tree huggers will have you drawn and quartered if dish water were to touch mother earth.
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Old 01-12-2018, 03:14 PM   #19
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Originally Posted by travelin texans View Post
Tank sensors are notorious for being so inaccurate after the 1st fill or 2 to the point of being completely useless. Not much will help to make them accurate, yea you could use so called "sensor cleaners", magic elixirs, flushing with clear water til blue in the face, but they will still be inaccurate as soon as filled again.

Funny how this statement is made numerous times. Mine have always worked and been accurate since my first trailer in 1989. Proper use and maintenance is all that is needed. As posted in this thread, lots of water when flushing, use of dissolving TP and a good rinsing will keep them working.

ALL the used RV’s I have gotten ready for resale have been either working properly, or I have used sensor cleaner and/or tissue digester to get them to read properly again. Gray tanks may need a different “treatment”, but even those have been good to go when sold.
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