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06-09-2020, 09:33 AM #11
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06-09-2020, 09:44 AM #12
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We tried using the quick connect hose but we couldn't get the same results as connecting a regular hose to the black tank flush. I think there are too many small fittings with sharp 90 degree turns behind the Nautilus panel that reduce the flow too much. You could have better results though. Doesn't hurt to try, make work well for you.
Former 2022 Solitude 310GKR w/8K axles & disc brakes, factory solar
Formerly 2019 Reflection 230RL, 2019 Reflection 320MKS, and 2015 Outback Terrain 230TRS
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06-09-2020, 09:57 AM #13
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06-09-2020, 08:06 PM #14
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- Mar 2019
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The problem with using this hose for the black tank flush is that the flow is very restricted (only 1/4 inch port opening) and you won't get enough water flow to properly flush out the black tank.
It is best to use a full 3/4 garden hose for the tank flush. I choose to use a separate hose for this purpose, not my fresh water hose.David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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06-09-2020, 08:52 PM #15
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- Nov 2016
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This is the hose I use for black tank flush. It’s only use is to flush the black tank. Can’t miss the color.
https://www.amazon.com/gp/product/B06XGW1NGD/
Our fresh water hoses are Blue.
Jerry & Linda
Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
2022 F-450 King Ranch Ultimate, 4,868 lb Payload, Bedrug Bedliner, Andersen Ultimate II Aluminum 5th wheel hitch
http://visitedstatesmap.com/image/FLGANCSCsm.jpg
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06-10-2020, 12:20 PM #16
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- Nov 2017
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- Toronto, Canada
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In some counties in Florida and possibly elsewhere, regulations require you or the campground to have a backflow preventer at the point at which your hose connects to the park water supply. That supposedly ensures that no matter what you do at the other end of your hose, nothing bad can flow back into the communal water system. I use them because in some places I have to but they don't protect me, they protect everyone else from me.
The City Water input on our trailers has a check valve in it, but the Black Flush does not.
The City Water check valve exists foremost to keep fresh water in your trailer's plumbing when you're dry camping, otherwise your pump would pump all your fresh water out the City Water input. However the check valve would also prevent contaminated water inside your trailer plumbing system from coming out into the hose.
The check valve is located just inside the cone screen on the City Water inlet. Sometimes - often while winterizing - people do want to press that check valve open to make it easier for the system to suck antifreeze in past the valve and into the trailer's plumbing. (People often reverse the cone screen so that the cone holds the valve partially-open.) However the warning in documentation is against pushing that valve open when there is water pressure inside the trailer's plumbing, because doing so can displace the seal on the valve.
The Black Flush has a vacuum break valve rather than a check valve, which is a different animal. It's installed in the trailer, often up behind the shower wall, such that it's quite a bit higher up than either the black flush input or the flush nozzle in the tank - the two ends of the black flush system. When water pressure is applied the valve permits the water to flow through to the flush nozzle. However when water pressure is removed the valve "breaks" and water on the "dirty" side gravity-flows down through the flush nozzle into the tank while water on the clean side gravity-flows back out the inlet.
As long as the hose is removed right after the water is turned off, only clean water flows back out and the risk of any contamination from it is almost non-existent. As you said above nothing - including a backflow preventer, and including leaving a hose attached - should ever be allowed to prevent that clean water from flowing back out the black flush inlet because if it's trapped in there there's a small chance of it becoming pathogenic.Mark - 2018 Solitude 310GK - 2017 F-350 diesel SRW short box - Pullrite Superglide hitch
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06-10-2020, 12:24 PM #17
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Mark - 2018 Solitude 310GK - 2017 F-350 diesel SRW short box - Pullrite Superglide hitch
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06-10-2020, 12:27 PM #18
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Mark (and DMB) there is a plunger type check valve incorporated in the black plastic vacuum break provided by GD in the black tank flush system.
Last edited by JCR GD; 06-10-2020 at 12:37 PM.
Jim (& Sharon)
2015 GD Momentum 385TH - SOLD
For Sale - 2015 Ford F-350 DRW 4x4 Lariat w/ AirLift bags, Titan 65 gal. OEM replacement fuel tank.
The toy:
2017 RZR XP 1000 EPS SE
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06-10-2020, 12:27 PM #19
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06-10-2020, 12:59 PM #20
Breakaway Switch Question
Today, 10:19 AM in Axles, Brakes, and Suspension