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10-04-2018, 06:12 PM
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#1
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Junior Member
Join Date: Aug 2018
Location: Fresno
Posts: 5
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Black Tank Flush, Jay Flight 285 RLS
I have a new 2018 Jay Flight 285 RLS
Should I use a pressure regulator when using the Black Tank Flush or not?
Alan E
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10-04-2018, 06:16 PM
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#2
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Senior Member
Join Date: Jun 2017
Location: Tower City
Posts: 255
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IMO it isn’t necessary to use one. The business end of the tank flush is open, therefore it won’t build pressure. You’ll just get the working pressure of the water system, not the static pressure.
Unless your water source has insanely high open pressure. I would worry about it.
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10-04-2018, 06:16 PM
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#3
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Senior Member
Join Date: Jan 2015
Location: Surprise
Posts: 2,623
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Quote:
Originally Posted by Alan E
I have a new 2018 Jay Flight 285 RLS
Should I use a pressure regulator when using the Black Tank Flush or not?
Alan E
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Unless your water pressure is unusually high, it shouldn't matter since the black rinse is an open system... in other words pressure does not build up since if the water is on the system is rinsing. Typically I put a Y on the bib then my pressure regulator/filter and hose, so when I connect my black tank rinse to the other half of the Y it is not regulated...
__________________
2011 Toyota Tundra double cab
2015 27RLS
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10-04-2018, 06:17 PM
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#4
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Senior Member
Join Date: Jun 2017
Location: Tower City
Posts: 255
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Quote:
Originally Posted by wags999
Unless your water pressure is unusually high, it shouldn't matter since the black rinse is an open system... in other words pressure does not build up since if the water is on the system is rinsing. Typically I put a Y on the bib then my pressure regulator/filter and hose, so when I connect my black tank rinse to the other half of the Y it is not regulated...
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Exactly how I do it.
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10-04-2018, 06:35 PM
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#5
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Keep in mind that the black tank flush water line has an anti-siphon valve (vacuum breaker) and those plastic valves are prone to leak under to much pressure........, know where your's is located so you can keep an eye on it. I believe the valve is only rated around 50 pounds of pressure.
Bob 
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2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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10-04-2018, 07:23 PM
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#6
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Senior Member
Join Date: Dec 2014
Location: FL
Posts: 11,281
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Quote:
Originally Posted by Alan E
I have a new 2018 Jay Flight 285 RLS
Should I use a pressure regulator when using the Black Tank Flush or not?
Alan E
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Welcome to the forum.
No and my setup is like wags999.
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SOLD:2015 Jay Flight 27RLS, GY Endurance (E), Days: 102 '15, 90 '16, 80 '17, 161 '18, 365+ '20
SOLD: 2006 Ford F350 PSD, 4WD, CC, LB, SRW, Camper pkg., 375,000mi
Full timing: Some will think you're crazy, some will be envious, just enjoy the freedom!
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10-04-2018, 08:21 PM
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#7
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Senior Member
Join Date: Jul 2011
Location: Long Island, NY
Posts: 1,402
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I've never used one and doubt it would be necessary since the black flush should only be used while the black tank valve is open. I'd have to imagine it would require a severe overpressure in the water supply to do any kind of damage to the line while the black tank valve is open.
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2018 Jayco 28RLS
2012 F-250 6.2L 3.73
Equalizer Hitch
Yamaha 2400ISHC
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10-04-2018, 11:32 PM
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#8
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Senior Member
Join Date: Dec 2017
Location: Nor Cal
Posts: 3,117
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Quote:
Originally Posted by wags999
Unless your water pressure is unusually high, it shouldn't matter since the black rinse is an open system... in other words pressure does not build up since if the water is on the system is rinsing. Typically I put a Y on the bib then my pressure regulator/filter and hose, so when I connect my black tank rinse to the other half of the Y it is not regulated...
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Keeping Murphy’s Law in mind, what about putting the pressure regulator between the bib and the Y? That way either side is protected....just in case.
__________________
2018 JayFlight SLX 212QBW
1999 Ford F-250 Super Duty Lariat SC, 7.3L PSD, 3.73
Transfer Flow 50 gal aux; Andersen WDH; Prodigy P2
😁 "If a man says he’ll fix something, he will. There’s no need to remind him every 6 months.
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10-04-2018, 11:55 PM
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#9
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Senior Member
Join Date: Jan 2015
Location: Surprise
Posts: 2,623
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Quote:
Originally Posted by LuckyDuck
Keeping Murphy’s Law in mind, what about putting the pressure regulator between the bib and the Y? That way either side is protected....just in case.
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You certainly can put the regulator first. I just like the higher presser on the rinsers, seems to do a better job in my opinion.
__________________
2011 Toyota Tundra double cab
2015 27RLS
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10-05-2018, 07:38 AM
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#10
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Senior Member
Join Date: Aug 2017
Location: Kingston
Posts: 1,210
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I never have. At my sons house the water pressure is 80 plus. My concern is the amount of crap that will stick to the flush nozzles.
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Don & Donna Stout
E-9 Anchor Clanker
Full timers since 2010
2017 North Point 381 DLQS
2015 F-250 6.7 w/Timbrens
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