sweetleon Posted July 18, 2016 Share Posted July 18, 2016 So the shower/floor drain on my Sunrader seems not to be draining. Worse yet, when I flush the toilet some yellow water comes up thru the drain. ? Does this mean that my shower is somehow connected to my black water tank, or that my toilet is connected to the grey water tank? Also, the panel says that grey water is only 1/4 full and black is empty. Your insight and guidance are greatly appreciated. Heck, even a snarky reply would be nice. ? Quote Link to comment Share on other sites More sharing options...
Derek up North Posted July 18, 2016 Share Posted July 18, 2016 I do believe the shower in the 18' Sunrader drains into the black water wank directly below it. Have you actually drained the tanks to confirm that when they're showing empty, they're empty. I don't think the gauges have much of a reputation for being reliable or accurate. I hope this reply isn't too snarky. Quote Link to comment Share on other sites More sharing options...
Back East Don Posted July 18, 2016 Share Posted July 18, 2016 Not inconceivable (your welcome Totem) that the gauges are not, how shall we say, accurate. The lowest point to the drain system is the toilet and second is the shower. In the SunRader, the shower and toilet are connected if my information serves me right (thank you Totem). There is a gross way of checking. Turn off the water pump and relieve the water pressure at the sink faucet into a bucket. Then with a flashlight, flush the toilet and peek down the opening with the flashlight. The observation should be obvious Quote Link to comment Share on other sites More sharing options...
sweetleon Posted July 18, 2016 Author Share Posted July 18, 2016 Thanks! I'll investigate the tank level after work. Does this mean that the only thing that connects to the grey water tank is my (kitchen) sink? If so, is there really much value to having separate black and grey tanks? Seems like it'd be easier to just have a larger black tank. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted July 18, 2016 Share Posted July 18, 2016 29 minutes ago, sweetleon said: Seems like it'd be easier to just have a larger black tank. I've often thought that, especially since dumping your grey water on the ground is frowned upon! Quote Link to comment Share on other sites More sharing options...
linda s Posted July 18, 2016 Share Posted July 18, 2016 Open the toilet valve with the water pump off and look down. Is it full. My tank register panel never worked Linda S Quote Link to comment Share on other sites More sharing options...
sweetleon Posted July 18, 2016 Author Share Posted July 18, 2016 Thanks, everybody! I looked into the black water tank via the toilet as several of you suggested, and it turns out that the tank and the panel gauge for it are both full of ?! On the bright side, all I have to do is flush the black water tank. Anybody have any suggestions for where to flush a black water tank in the San Francisco Bay Area? Thanks again! Quote Link to comment Share on other sites More sharing options...
linda s Posted July 19, 2016 Share Posted July 19, 2016 Quote go to sanidumps.com there are a couple not too far. Do you have the correct hoses. you had better or it's going to be bad Linda S Quote Link to comment Share on other sites More sharing options...
Totem Posted July 19, 2016 Share Posted July 19, 2016 (edited) LOL. you have the same engineering my Sunrader has. I too have the kinetic tank gauges, that is to say if stank riseth its time to dumpeth. There was a guy in here, waiter, who did a great writeup on fixing the gauges for the tank level meters using copper foil and some tape and what not. I need to do this also as seeing/smelling my full tank is not the greatest approach. Unsure of California on dumping RVs but in other states when full I look for public rest stations that sometimes have them, or local campgrounds or state campgrounds, just drive in turn around and the dump stations are usually right on the exit path out.. OR.. if severely desperate the "Flying J" truckstops or other truckstops will often allow you to dump for a small fee. Edited July 19, 2016 by Totem Quote Link to comment Share on other sites More sharing options...
sweetleon Posted July 19, 2016 Author Share Posted July 19, 2016 Thanks, Totem! I think this is the post you're referencing: And thanks to Waiter for posting it! Quote Link to comment Share on other sites More sharing options...
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