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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips  > Installing black water tank Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 3   Next Our rolling oasis • View posts Florida New Member Joined: 03/30/2023 View Profile Offline Posted: 03/30/23 09:35pm Link  |  Quote  |  Print  |  Notify Moderator We are installing a black tank with a shallow end and a deep end on the tank. It slopes from shallow to deep. Does the hole for toilet waste go over the shallow or deep end? corvettekent • View posts Marysville, WA Senior Member Joined: 09/21/2014 View Profile Good Sam RV Club Member Offline Posted: 03/30/23 10:02pm Link  |  Quote  |  Print  |  Notify Moderator You will want the deep end on the driver's side because the dump stations are set up that way. 2022 Silverado 3500 High Country CC/LB, SRW, L5P. B&W Companion Hitch with pucks. Hadley air horns. 2004 32' Carriage 5th wheel. 860 watts of solar MPPT, two SOK 206 ah LiFePO4 batteries. Samlex 2,000 watt Pure Sine Wave Inverter. Our rolling oasis • View posts Florida New Member Joined: 03/30/2023 View Profile Offline Posted: 03/30/23 10:47pm Link  |  Quote  |  Print  |  Notify Moderator Thank you. I want to know if the hole going from the toilet to the black tank is on the deep end of the tank or the shallow end. The black tank we are using slopes from shallow to deep. Should the hole going directly from the toilet be drilled into the deep or shallow side of the tank? Our rolling oasis • View posts Florida New Member Joined: 03/30/2023 View Profile Offline Posted: 03/30/23 10:49pm Link  |  Quote  |  Print  |  Notify Moderator The hole going directly from the bottom of the toilet inside the RV. We are drilling down through the floor into the tank. Should the toilet hole go into the deep or shallow end of the the tank? craig7h • View posts Branson MO area Senior Member Joined: 03/23/2002 View Profile Offline Posted: 03/31/23 03:13am Link  |  Quote  |  Print  |  Notify Moderator shallow end! as all poop goes down hill Itasca Meridian SE 36g Road Master Tow Dolly nickthehunter • View posts Midwest Senior Member Joined: 07/18/2005 View Profile Offline Posted: 03/31/23 07:22am Link  |  Quote  |  Print  |  Notify Moderator Deep end so that you know the poop is close to the outlet and ready to go out - no worries about “it failed to slide” close enough to the outlet to be expelled. 1995brave • View posts San Antonio, TX Senior Member Joined: 01/24/2006 View Profile Offline Posted: 03/31/23 07:34am Link  |  Quote  |  Print  |  Notify Moderator I would try to put the vent on the shallow end and the toilet hole on the deep end. But that's just my opinion. way2roll • View posts Wilmington NC Senior Member Joined: 10/05/2018 View Profile Offline Posted: 03/31/23 07:46am Link  |  Quote  |  Print  |  Notify Moderator How shallow vs deep are we talking? I don't think pre constructed black tanks have that much of a slope. For physics sake you want some but nothing dramatic as it will decrease capacity. I doubt RV manufacturers put much thought into where the hole will go other than how does the tank fit in the chassis and where the toilet is on the floorplan. 2023 FR Sunseeker 2400B MBS JRscooby • View posts Indepmo Senior Member Joined: 06/10/2019 View Profile Offline Posted: 03/31/23 09:13am Link  |  Quote  |  Print  |  Notify Moderator Don't know much about the tank, but I do know you don't want sewer lines sloped very steep or water will run off and leave the solids. If need to go down much grade you step the line so slow flow, drop, slow flow. Why would you force solids to travel any farther than needed in tank? Drop them in as close to where you expect them to go out as you can. johnhicks • View posts Wandering below the Gnat Line Senior Member Joined: 08/29/2013 View Profile Offline Posted: 03/31/23 10:24am Link  |  Quote  |  Print  |  Notify Moderator Isn't it going to be dictated by where the toilet is? -jbh- Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 3   Next Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips  > Installing black water tank

Search:   Advanced Search Search only in Class A Motorhomes

Jump to Forum Dear Marcus  - Good Sam Roadside Assistance  - Good Sam Club  - Good Sam Insurance  - Camping World Accessories  - Camping World RV Sales  - Good Sam Extended Service Plan  - Camping World Service and Inst...  - Coast to Coast Recreational Vehicles  - Class A Motorhomes  - Class B - Camping Van Conversi...  - Class C Motorhomes  - Fifth-Wheels  - Folding Trailers  - Hybrid Travel Trailers  - Travel Trailers  - Truck Campers  - Toy Haulers Camping  - Tent Camping  - Family Camping  - Workamping Forum General Forums  - Beginning RVing  - Rallies, Shows and Gatherings  - General RVing Issues  - RV Lifestyle  - Full-time RVing  - Camp Cooks and Connoisseurs  - RVing with Disabilities and Ge...  - RV Pet Stop Technical Resources  - Tech Issues  - Do It Yourself Modifications a...  - Towing  - Tow Vehicles  - Dinghy Towing  - Technology Corner  - Forum Posting Help and Support Locations  - RV Parks, Campgrounds and Attr...  - Roads and Routes  - Public Lands, Boondocking and ...  - RVing in Canada and Alaska  - RVing in Mexico and South Amer...  - Snowbirds Other Discussions  - Around the Campfire

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