Holding Tank Smell

[Leroy Eckert]

Thanks Kurt. I have studied my prints throughout this thread and I don't have a Watts valve listed in the parts section, and have never seen one. It's most likely location would be behind the washer dryer wall in my coach.. My plumbing prints are also not as built in several ways. The prints show two vac-u-jet roof vents, I have one roof vent so I guess my vents are tied together somewhere. My prints show two check vents near the sink water traps; I have two. My kitchen sink and shower go to the gray tank. The toilet, vanity sink and washer dryer go to the black tank. I like this configuration because the tanks are almost always balanced out and the washer dryer keeps the black tank clean, no monitor problems. I do not have any problems while driving even with a window open if I close the drains prior to departure. I do not have any problems while stationary, except when using the shower with the Fantastic fan on. If I crack a window with this fan on while using the shower there is no problem. Strange deal. So I close the drains when driving, and crack a window if I chose to use the Fantastic fan while using the shower. I seldom use the thing because it sounds like a jet plane. I like the old Kool-O-Matic in the kitchen much better so it gets used often.. I still think the vent checks allow air into the tank system while driving so the vac-u-vent will work; but I do not intend to tear the coach apart to figure it out. I cannot see how the vac-u-vent can work without inlet air. To make things worse, the vac-u-vent operates in a semi-vacuum environment at best, maybe worse. lmo I am glad you found your problem. This must be an ongoing problem because of the differences in the coaches and related plumbing. One other thing, I never use any deodorant in my tanks. Leroy Eckert 1990 WB-40 Smoke N Mirrors Dahlonega, GA Royale Conversion --- On Fri, 10/17/08, Kurt Horvath wrote: From: Kurt Horvath Subject: [WanderlodgeForum] Holding Tank Smell To: WanderlodgeForum@yahoogroups.com Date: Friday, October 17, 2008, 2:26 PM Leroy, I think I have located and repaired the source of the holding tank smell with the widows open while driving. The Watts valve on the Black Tank Flush system. This is a feable device and mine permitted air to pass in both directions. Once I dissasembled the device the aroma was overpowering. The fix thanks to Rob, is a check valve and an enclosed system. I have gotten to test it yet due to my coach being down with a major exhaust system overhaul. I'll let you know ASAP if it worked. Kurt Horvath 95 PT42 10AC

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