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Thread: Black Tank Help, Clog?
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08-12-2022, 08:59 AM #11
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Have you tried a backflush from the valve end ? Use these external flush valves if there is a plastic cut out it'll get it out of the way, or possibly push the poo around to drain.
We had or have one in our gray tank and the back flush usually moves it out of the way. It's been a few years since we had to do that (knock on wood)Marcy & Gary
2014 Grand Design - Reflection 303RLS
2022 GMC 3500 Denali Duramax Longbed SRW
2015 GMC Denali 3500 - Retired
2003 F350 - retired
Michigan
We're in trouble now, the dog are bloggin'!
https://3dogsandatrailer.wordpress.com/
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08-14-2022, 08:12 PM #12
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We got it figured out after our shower wasn’t draining. Our flush valves are mislabeled, the black valve is actually the shower and what would be the kitchen sink grey valve is the toilet. What a headache but glad it’s finally solved
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08-15-2022, 05:44 AM #13
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Here's to lots of advice with zero correct answers!
Chad
2023 23LDE 965W Solar, Victron Multiplus, Solar Controllers, Cerbo GX, 4x280AH DIY Lithium Batteries, SeeLevel Tank Monitoring, Shock Absorbers (Replaced 2022 22MLE)
2022 F350 6.7L Superduty, Carbonized Gray, Ultimate Lariat Pkg, 4WD, Crew Cab, 160" Wheelbase, 3.55EL Rear End, 3566# Payload
Adaptive Steering, Ultimate Camera Pkg, 20" Wheels, 397 Amp Dual Alternator, ARE Topper (Replaced 2004 F150)
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08-15-2022, 06:16 AM #14
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08-15-2022, 07:29 AM #15
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I would definitely not use one of these fiberglass fish rod sets to go up into the black tank. They aren't flexible enough to go around the 90° plumbing pipe bend that will be located just before the tank. Most likely it will get wedged in there and possibly snap off and be stuck causing other issues.
Bill & Colleen ~ Schwenksville, Pa
2019 Reflection 337RLS
2006 GMC Sierra 3500 8.1L V-8
Firestone Ride-Rite Air Bags
Front Stabilizer Bar
Rear Anti Sway Bar
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08-15-2022, 07:37 AM #16
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Bill & Colleen ~ Schwenksville, Pa
2019 Reflection 337RLS
2006 GMC Sierra 3500 8.1L V-8
Firestone Ride-Rite Air Bags
Front Stabilizer Bar
Rear Anti Sway Bar
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08-15-2022, 10:12 AM #17
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I was using a cleaning brush for the bowl and the brush piece came off and down it went. It clogged by black tank drain so nothing would come out. I used a wet/dry vac and taped it to the dump line and turned it on!!!!! amazing how much stuff came out pluse the brush end! Nasty but it worked!
Patti and Mike (and Bella and Ari too)
2020 Solitude 310gk
2017 Ford F-250 Supercrew 6.7 diesel 2x2
Anderson Hitch gooseneck set up
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08-15-2022, 01:53 PM #18
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2016 Ram 3500 SWD 3:73 Turbo Diesel 6'4"" box
OEM puck Pro 16K
2021 Reflection 311BHS
Previous:
2017 Reflection 29RS
Reese Sidewinder Hitch
Platte Lake MN.
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08-15-2022, 03:17 PM #19
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PDI Apparently Does not Mean What I Think.
Really makes one ask what exactly the Grand Design PDI is really all about. I could go into details about our new and unused but suffering "teething troubles" 390RK, but I am way to annoyed and would be rude, and thus get banned from this valuable source of information forum. After all it is not intended to be a place we complain, but I am tempted. OK I will stop!
I left the Forum due to dictatorial administration
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08-15-2022, 04:04 PM #20
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Chad
2023 23LDE 965W Solar, Victron Multiplus, Solar Controllers, Cerbo GX, 4x280AH DIY Lithium Batteries, SeeLevel Tank Monitoring, Shock Absorbers (Replaced 2022 22MLE)
2022 F350 6.7L Superduty, Carbonized Gray, Ultimate Lariat Pkg, 4WD, Crew Cab, 160" Wheelbase, 3.55EL Rear End, 3566# Payload
Adaptive Steering, Ultimate Camera Pkg, 20" Wheels, 397 Amp Dual Alternator, ARE Topper (Replaced 2004 F150)
Charging Lithium Batteries From...
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