Darned if I can figure out how this is even kept in place. Went to flush the black tank before dropping it at the factory and water sprayed everywhere inside and outside. I can't see how this is even attached or if it is even two pieces, let alone get the old one out and find a replacement? It's almost like it broke in two given the gap in the outside washer.
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How to replace black tank flush inlet port on P4?
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It looks like the fitting is pushed into snap tabs in the panel. It may be fiddly to pry the tabs to release the fitting.
Nautilus-P4Installation-Rev-1.pdfTed
2021 Reflection 310RLS
2020 F350 PS,CC,LB,SRW
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ajg617 -- that is an odd retainer for sure. The B&B repair manual's picture of the retainer clip is what was on mine (see below). It broke during removal. I used a common "C" clip to reinstall.
Remember that the black flush is NOT a one-way valve like the fresh water inlet. Use the right part when replacing!
The different Nautilus panels (and their manuals) are found here: https://www.bandbmolders.com/index.php/nautilus/
HowardForum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
Howard & Francine
2017 Ford F-350 DRW, '19 315RLTSPlus
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Looks like a "wiggle while pulling hard" type fitting. Secure a replacement before removing so that you can study it and get an idea on how to remove it.
Or simply change it out with a Valterra solid brass unit.
https://www.amazon.com/Trailer-VALTE...zcF9idGY&psc=12023 Imagine XLS 23LDE, 2022 Ford F-150 Super Crew Cab STX, Curt TruTrac hitch, Curt TriFlex brake controller, AMTIFO rear view camera, Tymate TPMS.
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Originally posted by Reacher View PostOr simply change it out with a Valterra solid brass unit. ...VALTERRA-Water-Inlet-Fresh
Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
Howard & Francine
2017 Ford F-350 DRW, '19 315RLTSPlus
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Originally posted by howson View Postajg617 -- that is an odd retainer for sure. The B&B repair manual's picture of the retainer clip is what was on mine (see below). It broke during removal. I used a common "C" clip to reinstall.
Remember that the black flush is NOT a one-way valve like the fresh water inlet. Use the right part when replacing!
The different Nautilus panels (and their manuals) are found here: https://www.bandbmolders.com/index.php/nautilus/
HowardLast edited by ajg617; 05-02-2024, 02:47 PM.2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin
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I think you could use a black fresh water fill fitting, suggested earlier in the thread. Just knock out the one way valve inside and you will be good. Sand the tabs on the back of your panel that holds the old one in and add the brass with a nut on the back and good to go.
BrianBrian & Michelle
2018 Reflection 29RS
2022 Chevy 3500HD
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Update from Grand Design parts. Old design P4 panel. Entire panel needs to be replaced.2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin
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Originally posted by ajg617 View PostUpdate from Grand Design parts. Old design P4 panel. Entire panel needs to be replaced.
However...if you can get the new panel for free consider using it as a spare parts resource for the panel that's installed. Country Campers, to my amazement, actually had an old ("bad") panel with him and we were able to repair ncitro 's camper last year before National with parts we took off of it.Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
Howard & Francine
2017 Ford F-350 DRW, '19 315RLTSPlus
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Originally posted by howson View Post
On who's dime (replace entire new panel)? You didn't ask for my .02, but there's no way I'd pay for a panel (or even want to do the work to install it even if given to me!) to get a new black tank fitting. There's many ways to duplicate the function of that connection with a mod (as Brian noted in post 7).
However...if you can get the new panel for free consider using it as a spare parts resource for the panel that's installed. Country Campers, to my amazement, actually had an old ("bad") panel with him and we were able to repair ncitro 's camper last year before National with parts we took off of it.2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin
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Originally posted by ajg617 View PostWas told at factory visit and pickup Tuesday that GD should have caught it when doing the pressure test and they will cover expenses. Meanwhile I have a short garden hose connected directly to the black tank Pex fitting and can flush that way.
Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
Howard & Francine
2017 Ford F-350 DRW, '19 315RLTSPlus
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Originally posted by howson View Post
Careful--the linked Amazon item likely has a backflow (one way) valve. The black flush connection must NOT have that valve. Water must flow backwards to clear the flush line.2023 Imagine XLS 23LDE, 2022 Ford F-150 Super Crew Cab STX, Curt TruTrac hitch, Curt TriFlex brake controller, AMTIFO rear view camera, Tymate TPMS.
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I'd probably leave the one way valve in the hose end fitting if it lets enough flow through, WHY, because the section of hose from the Vacuum breaker to the inlet always DUMPS the water back at you when you disconnect. I have a valve I keep on the fitting so that I can shut it off and not get doused with water when disconnecting.Joseph
Tow Vehicle: 2024 GMC K3500 Denali Ultimate Diesel
Coach: 303RLS Delivered March 5, 2021
South of Houston Texas
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Originally posted by Jlawles2 View PostI'd probably leave the one way valve in the hose end fitting if it lets enough flow through, WHY, because the section of hose from the Vacuum breaker to the inlet always DUMPS the water back at you when you disconnect. I have a valve I keep on the fitting so that I can shut it off and not get doused with water when disconnecting.2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin
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Originally posted by howson View Post
Great! Ask for the old panel--they'll just toss it.2022 Solitude 310GK-R - Dual pane, factory solar, factory gen, 8K axles with discs, W/D, Heat Pump, Gen 2 Goosebox, Battleborn
2020 Ram 3500 LB SRW 4WD Crew Laramie 6.7HO Aisin
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