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03-28-2023, 08:22 PM #1
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2021 349M black tank drain valve location dimensions on underbelly?
Just trying to determine where I'll need to cut the underbelly panel to replace the black tank drain valve for the main bath on a 349M.
I'm looking for dimensions from a reference location on the underbelly.
Hard to believe there isn't a removable access panel for the black and gray drain valves.
Any help is appreciated!!
Thanks2021 349M, 2011 LML Duramax Denalli (still rockin' the CP4 with FASS-165 and lots of Optilube)
Maggie the fox-red Lab
2017 Rzr Turbo with lots of goodies
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03-29-2023, 09:16 AM #2
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Moved to Plumbing and Water Systems.
You can find parts here:
https://www.granddesignrv.com/owners...s/parts-lookup
The black tank valve should be a 3" valve located pretty much underneath the bathroom area on the curb side. Unfortunately, the RV industry does not believe in access panels for this sort of stuff - you have to drop the Coroplast.
RobU.S. Army Retired
2012 F350 DRW CC LB Lariat PS 6.7
2020 Solitude 310GK-R, MORryde IS, disc brakes,
Sailun LRG tires, solar, DP windows, W/D
(Previously in a Reflection 337RLS)
Full time since 08/2015
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03-29-2023, 08:11 PM #3
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Thanks for the info Rob!
I was hoping someone with a 349M could give model-specific dimensions where I could access those valves with a small cutout in the Coroplast.
I've had many RV's but none where the drain valves were out of sight.
Thanks again!!2021 349M, 2011 LML Duramax Denalli (still rockin' the CP4 with FASS-165 and lots of Optilube)
Maggie the fox-red Lab
2017 Rzr Turbo with lots of goodies
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03-29-2023, 08:49 PM #4
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Re-pack bearings necessary?
Today, 07:58 AM in Axles, Brakes, and Suspension