So they Carbon 33 worked good, went to leave and use dump station as the first time used without full hookups. Valves were pushed in for closed and all the way. Went to unhook my trailer pipe cap and water (smelled gray) was spraying out, lots of pressure. Drained a bit on the ground by dump and it showed no sign of letting up. Pulled the grey valve as I was thinking maybe i had them backward and heard it open and flow, so I shut it quick. After a while I just pulled off the cap and slapped on the hose as fast as I could, water flowed out it the entire time. Once attached, I dumped black and heard and verified it went, then dumped gray and it flowed and went....I believe I only have one gray tank....any ideas why the full pipe and pressure with valves closed? Like I said, both tanks emptied when valves pulled...my only thoughts gray water not closed all the way or valve failure allowing some flow?Thanks,

Capacity 60 gallons??2tanks.1 for kitchen sink and one for bath room grey water.Check specs.??

I'll bet you have another gray tank. Probably one for the black, and two for the gray. On previous Keystone rigs I've owned, one of the valves was in a completely different location. Take a good look underneath for another valve.

Yep, 60 gallon grey tank. I believe I only have one tank because that is what they told me in the brief overview...but I cant say I crawled around to verify...I saw the valve for my fresh tank dump, and there was one other narrow pipe coming over toward where the shower and toilet tank would have been but a line was forming behind me so I didnt investigate too long. For my first "real" trip I was completely impressed with how friendly and helpful everyone there was. Neighbor on one side of me gave me a few supplies, showed some spots on a map and told me to keep it, guys helping to troubleshoot the dump, etc...For the life of me I thought the tiny playground with like 3 things would bore the kids in 15 minutes...nope..kept going back to it again and again.Thanks for all the info, I parked it in storage but will take a look. First time i had full hook ups so I am guessing if it is another valve that it was in fact open the entire time?

When I bought my TT I was told I had a 45 gal grey tank. All of the specs on the dealers and companies web site say 45 gal grey tank. Specs on the brochure and papers I received show 45 gal grey tank. But -- I actually have 2 grey tanks - a 20 gal for the kitchen, and 25 gal for the shower/sink in the bathroom. Personally, I wish it was one big tank, but from what I understand there is a different tank for the galley because some campsites will not allow dumping the kitchen grey tank due to the food particles / scraps and impact on both the environment and local fauna.

my keystone, not a carbon 33, but it has two tanks for grey. the second valve is under my street side slide out and has a separate handle. might look for it.

Dump Station Problem.... | Good Sam Community

14 Replies

jlud
Explorer
May 09, 2015
If only the guy giving me the delivery had the knowledge and experience of the many here....
Strabo
Explorer
May 09, 2015
jlud wrote:
Nice thanks for all the info. I went to storage today and sure enough, 2nd grey tank and valve open. That extra valve or clear adapter would both be good.

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jlud
Explorer
May 08, 2015
Nice thanks for all the info. I went to storage today and sure enough, 2nd grey tank and valve open. That extra valve or clear adapter would both be good.
christopherglen
Explorer
May 08, 2015
The first thing I added to my trailer was this. It attaches where the hose attaches, and allows you to never have the problem you had again. I pop the cap off, attach the hose, then open the valve. My galley tank valve leaks, so the drain line is always full. Now when I pop the cap there is at best 2 drops of fluid.
magicmantx
Explorer
May 05, 2015
I have had the same problem on our fusion since day 1 and do have 2 grey tanks but one apparently leaks a small amount. I just purchased the add on valve the connects where the cap goes on and leave it there. Works perfect now. Really didn't want them tearing into the underbelly of the TH for such a small issue as the valves all eventually leak after a few years anyway.
Sprinks542
Explorer
May 04, 2015
I had a similar problem as you. I'd go and hook up my hose and when starting to take cap off there was always left over waste. I bought the vale that goes on outside and hooks up like a hose. Just leave it on. Lot cheaper then replacing a valve hidden under the belly.
Old-Biscuit
Explorer III
May 03, 2015
Locate the 'galley' tank drain valve (under slide/behind wheels) and close it before your next trip (or before using kitchen sink again)
IAMICHABOD
Explorer III
May 03, 2015
A clear elbow is really need as lanerd said so you can SEE what is coming or not,I like This One better because it swivels unlike the other one.
lanerd
Explorer II
May 03, 2015
I highly recommend you purchase and install a clear connector that goes between the dump valve outlet and the stinky slinky hose. With the clear connector, it will show you what "type" of water is coming out, when it is empty, and when flushing out the black tank, will tell you when it's clean. They come in straight, 45* and 90* and can be found at Walmart, Target, AMAZON.....

Ron
old_guy
Explorer
May 03, 2015
my keystone, not a carbon 33, but it has two tanks for grey. the second valve is under my street side slide out and has a separate handle. might look for it.

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Dump Station Problem....

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