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11-07-2015, 07:18 PM
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#1
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Jeffco, MO
Join Date: Jan 2012
Location: Cedar Hill, MO
Posts: 143
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Vent tubes on new Silverback
I purchased one of those aerodynamic vent covers for the black tank vent tube. I now notice on my roof there are two vent tubes next to each other above the bathroom. Why two? Which one do i replace the cap?
__________________
Mary & Ted
2016 Silverback 33IK
2015 GMC Sierra 2500HD CrewCab Diesel/Super Glide Hitch
Days camped 09 -53, 10 -56, 11 -57, 12 - 55, 13 - 46, 14 - 50, 15 - 60, 16 -32
7 FROG Rallies (Goshen(4), Charleston, Amana(2))
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11-08-2015, 10:50 AM
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#2
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Member
Join Date: May 2012
Location: Grand Junction Co.
Posts: 88
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One might be an attic vent, I think my Cardinal has four as well as the tank vents.
Sent from my iPad using Forest River Forums
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11-08-2015, 11:43 AM
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#3
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Senior Member
Join Date: Jan 2015
Location: Kansas
Posts: 1,272
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One for black tank ... one for grey tank? Should be a third for galley. The attic vents are shorter and have a flatter cover.
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11-08-2015, 05:50 PM
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#4
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Senior Member
Join Date: Jul 2007
Location: Georgetown, Texas
Posts: 206
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You should have 2 mushroom vents that are attic only and one black tank vent on the roof. Your vents for the grey tanks are not on the roof. They are one way plumning vents in the basement.
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2019 Ford F-250 6.2l gas 430 E Lock
2015 Cedar Creek 34RL
MORryde IS 7000 LB
Kodiak Disc Brakes
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11-08-2015, 06:46 PM
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#5
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Jeffco, MO
Join Date: Jan 2012
Location: Cedar Hill, MO
Posts: 143
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Thanks for the info. Now I have to determine which one is black and which one is attic. I don't think I need the aero cp for the attic.
__________________
Mary & Ted
2016 Silverback 33IK
2015 GMC Sierra 2500HD CrewCab Diesel/Super Glide Hitch
Days camped 09 -53, 10 -56, 11 -57, 12 - 55, 13 - 46, 14 - 50, 15 - 60, 16 -32
7 FROG Rallies (Goshen(4), Charleston, Amana(2))
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11-08-2015, 07:04 PM
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#6
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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You don't NEED a cover for any of them
__________________
Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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11-08-2015, 07:15 PM
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#7
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Senior Member
Join Date: Jul 2007
Location: Jefferson County, MO
Posts: 5,453
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I can’t help you Ted, but this is what my roof looks like. The two attic vents are directly behind the air conditioning units. The red lines point to the holding tank vents but I have no idea which goes to where. Here the picture of my roof.
__________________
Bob and Joyce
2013 CC Silverback 29RL
2010 Ford F250 XL Crew Cab 6.4 liter diesel
ATU Local 788
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11-08-2015, 07:20 PM
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#8
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Senior Member
Join Date: Jan 2015
Location: Kansas
Posts: 1,272
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Yeah ... what Bob said with photos except my attic vents are forward of the A/C's. 2016 33IK. My grey tanks are roof vented despite a previous reply.
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11-09-2015, 02:20 PM
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#9
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Senior Member
Join Date: Sep 2013
Posts: 172
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Turn on the black tank flush and you should be able to hear which one is the black tank vent Just don't have fanatic fans running with windows closed when you flush
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11-09-2015, 07:55 PM
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#10
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Senior Member
Join Date: May 2014
Location: Halifax Nova Scotia Canada
Posts: 833
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Quote:
Originally Posted by rugersdad
One might be an attic vent, I think my Cardinal has four as well as the tank vents.
Sent from my iPad using Forest River Forums
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Never heard of an attic vent...What do they do? Don't say vent from atic!!! Where is attic....dumb question?????????
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11-09-2015, 08:24 PM
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#11
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Senior Member
Join Date: Oct 2013
Posts: 1,460
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[QUOTE=Jim in Halifax;1031692]Never heard of an attic vent...What do they do? Don't say vent from atic!!! Where is attic....dumb question?????????[/eQUOTE]
The attic space between the ceiling inside your rig and the roof outside...like your house only smaller
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11-09-2015, 10:18 PM
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#12
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Senior Member
Join Date: Jan 2015
Location: Kansas
Posts: 1,272
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The attic vents have been around for several years on SOB's ... I dunno when Cedar Creek started installing them. A fair amount of moisture can form in-between the roof and ceiling, so the vents do serve a purpose.
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11-10-2015, 12:12 AM
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#13
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Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 2,147
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A plumber once told me you have to have air behind sewage or in other words a sewer line cannot flow through or might suck the water out of the trap in a siphon effect uless air can get behind the sewage. So is it that there has to be a tank where there is a vent or can the vent sometimes be necessary to allow that branch of the sewer system to FLOW to the tank?
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