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10-05-2021, 05:37 AM
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#21
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,761
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[Also, it would seem that the only way there would be cross contamination is if the black tank hose is left connected, or am I missing something else?]
If you are referring to the water supply hose for the tank rinser yes. There are no connections between the waste water holding tanks and the city water system o ther fresh water holding tank.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-05-2021, 07:20 AM
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#22
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Quote:
Originally Posted by jimborokz
Thanks for the explanation, that all makes sense. Rig was purchased new so that's the way it was designed. It's a front living room so the bedroom and bath are in the back on the main floor level. The valve is up high behind the black flush connection. I'll need to do some measuring but it very well could be above the rim.
Also, it would seem that the only way there would be cross contamination is if the black tank hose is left connected, or am I missing something else?
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Please use a separate hose as your black tank rinse hose, not your drinking water hose, just in case.
Any items used for anything black water related should be kept totally separate from ALL drinking water items.
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Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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10-05-2021, 07:48 AM
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#23
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Member
Join Date: Aug 2020
Location: Yukon
Posts: 88
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My awg is in the wall where the shower is.
I found this out 3 weeks ago when it flooded the storage as I was in the process of flushing the black tank. Then it happened again yesterday.
I’m still at a campground, now, and trying to decide the best way to resolve this problem. I’m tempted to cut the lines and just connect them together without an asv, or to put an asv behind the control panel.
What a mess.
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10-05-2021, 08:01 AM
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#24
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by Poppy
My awg is in the wall where the shower is.
I found this out 3 weeks ago when it flooded the storage as I was in the process of flushing the black tank. Then it happened again yesterday.
I’m still at a campground, now, and trying to decide the best way to resolve this problem. I’m tempted to cut the lines and just connect them together without an asv, or to put an asv behind the control panel.
What a mess.
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This is literally the first thing I do when I get a new trailer home..
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10-05-2021, 11:49 AM
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#25
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Senior Member
Join Date: Aug 2020
Location: Winnipeg
Posts: 139
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Quote:
Originally Posted by Javi
This is literally the first thing I do when I get a new trailer home..
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No drawbacks to this if you: 1)always open the black tank drain before turning on the flush water, 2)shut off and disconnect the flush hose before closing the dump valve and 3)never leave the flusher hose hooked up correct?
You still need that high point though to keep black tank contents from leaking out the flush hose connection.
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2010 Cougar 26SAB, 2017 F-250 Superduty gas. B&W Companion hitch.
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10-05-2021, 12:26 PM
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#26
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by GMH
No drawbacks to this if you:
1)always open the black tank drain before turning on the flush water,
2)shut off and disconnect the flush hose before closing the dump valve and
3)never leave the flusher hose hooked up correct?
You still need that high point though to keep black tank contents from leaking out the flush hose connection.
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#1 & #2 are for sure the safest way to flush the tank..
#3 Yes the recommended 16" above the inlet to the tank is best to prevent the contents from siphoning.
I'll add a #4 and say to always use a hose bib style back flow preventer on the hose either at the pressure gage or at the flush port connection..
https://www.lowes.com/pd/AMERICAN-VA...07d1767f191573
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