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Thread: 2018 337RLS reflection plumbing
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03-08-2023, 09:56 PM #1
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2018 337RLS reflection plumbing
Please could anyone who has the same 5th wheel take pictures of the plumbing hoses coming into the p1 nautilaus manifold. Our pipes froze and I bought a new p1 and attached all the pex to the manifold but now I dont remember what hoses from the under part of the trailer go where.
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03-09-2023, 07:17 AM #2
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Good luck getting this figured out. Hope you find your picture. Have you tried contacting GD for the plumbing schematic? unless of course it's like the electrical and no 2 are the same.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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03-09-2023, 09:59 AM #3
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03-09-2023, 10:20 AM #4
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Check out this link. It might help. I would provide pictures but the rig is still in storage.
https://www.mygrandrv.com/forum/show...1-Another-Look
Dutchman2Jim & Patricia
2021 Reflection 337RLS
2024 GMC 3500HD CC-SRW-SB Duramax
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03-09-2023, 10:27 AM #5
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B&B Molders makes the Nautilus P1 system and everything that need to hook up your Nautilus P1 can be found here:
https://www.bandbmolders.com/index.php/p1/
KevinKevin and Jennifer
2016 RAM 3500 Laramie Mega Cab CTD Aisin 4x4 SRW
2019 Reflection 28BH (Built 2/2019)
- 78" Theater Seat, Second AC, Dual Pane Windows
- Sailun 235/85 R16 Tires
Blue Ox Super Ride BXR7200 with a Demco Factory Prep Bracket 6099
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03-09-2023, 10:45 AM #6
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That is a great resource. I downloaded all the manuals for future reference. Thank you muchly. I just wish the schematic had bigger print. Very hard to make out, even blown up.
Howard and Peggy
2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
His: 1999 Honda Interceptor
Hers: 2013 Spyder ST-S
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03-09-2023, 10:52 AM #7
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Kevin and Jennifer
2016 RAM 3500 Laramie Mega Cab CTD Aisin 4x4 SRW
2019 Reflection 28BH (Built 2/2019)
- 78" Theater Seat, Second AC, Dual Pane Windows
- Sailun 235/85 R16 Tires
Blue Ox Super Ride BXR7200 with a Demco Factory Prep Bracket 6099
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03-09-2023, 11:04 AM #8
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To attach the PEX to any of the 1/2" flex line that I could not easily replace I came up with an adapter that has worked great for many years at regulated 65psi. Two 18.5mm Oetiker rings on the bigger PB side (flex hose) and a standard 1/2" PEX ring or cinch clamp on the PEX side. The standard PEX cinch ring tool also works on the 18.5mm rings. I purchased all of my 18.5mm rings on ebay.
https://www.ebay.com/itm/23377638376...Bk9SR66JrPjYYQKevin and Jennifer
2016 RAM 3500 Laramie Mega Cab CTD Aisin 4x4 SRW
2019 Reflection 28BH (Built 2/2019)
- 78" Theater Seat, Second AC, Dual Pane Windows
- Sailun 235/85 R16 Tires
Blue Ox Super Ride BXR7200 with a Demco Factory Prep Bracket 6099
New Grand Designer Owner to be
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