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06-06-2011, 10:09 AM
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#1
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Montana Master
Join Date: Dec 2003
Location: Colorado Springs
Posts: 578
M.O.C. #718
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SEWAGE
OK bad way to start, I searched around, I know it had to be a topic prior to this.
with the roof vents open and the Fantastic fan pulling air out the RV opening the vent at the top of the stairs draws in sewage smell. Is there a way around this? I think it is from the roof vent of the Black tank. are the ventui covers I read about worth the investment or is it just keep that vent closed.
BOB
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06-06-2011, 10:55 AM
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#2
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Montana Master
Join Date: Sep 2003
Location: Sunshine
Posts: 1,445
M.O.C. #538
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Was this a factory installed Fantastic Fan? I didn't think the OEM models would go both ways for this very reason.
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06-06-2011, 12:49 PM
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#3
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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I think with the air being pulled out of the RV this should not happen, but if the prevailing winds are blowing just right, it may. I think those swivel covers couldn't hurt. I have them for around $18.00
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06-06-2011, 01:06 PM
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#4
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Montana Fan
Join Date: Oct 2009
Location: Orange
Posts: 224
M.O.C. #9806
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You may want to check the toilet. It may not be closing correctly as toilet paper etc...may not have completely flushed and gotten caught between the ball and the opening and the seal may not be completely closed which would causes the fan to pull the fumes from the holding tank into the trailer.
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06-06-2011, 01:07 PM
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#5
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Montana Master
Join Date: Dec 2003
Location: Colorado Springs
Posts: 578
M.O.C. #718
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The fan draws out. the smell is I beleive coming in the open vent in the stairs the power fan is in the kitchen
Ozz where did you find them for $18 the ones I saw were $49. looked at making them.
Bob
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06-06-2011, 01:36 PM
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#6
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Montana Master
Join Date: Dec 2004
Location: Bum F Egypt
Posts: 979
M.O.C. #2733
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I'm also thinking you have a bad seal in the stool? You can replace it with a new Sealand bowl seal kit for $20.
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06-06-2011, 01:38 PM
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#7
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Bob, I am a RV parts dealer, I have them in my catalog.
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06-07-2011, 05:31 AM
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#8
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Quote:
quote:Originally posted by Bob & Lee
OK bad way to start, I searched around, I know it had to be a topic prior to this.
with the roof vents open and the Fantastic fan pulling air out the RV opening the vent at the top of the stairs draws in sewage smell. Is there a way around this? I think it is from the roof vent of the Black tank. are the ventui covers I read about worth the investment or is it just keep that vent closed.
BOB
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Bob, you jinxed me! Now ours is doing the same thing. I am ordering one of those swivel vent deals.
Sue noticed it last night when we had the vent opened at the top of the stairs. She shut the vent; no smell.
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06-07-2011, 05:54 AM
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#9
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,657
M.O.C. #9969
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I too have noticed that once in a while, think it has to do with which way the wind is blowing and the fact that the Black Tank vent pipe is located to close to the bathroom vent and the went at the top of the stairs.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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06-07-2011, 06:18 AM
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#10
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Montana Master
Join Date: Dec 2003
Location: Colorado Springs
Posts: 578
M.O.C. #718
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We need to contact Montana about there design flaw HAHA
Bob
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06-07-2011, 07:16 AM
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#11
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Ha! add it to the list.
When I install mine, i will dutifully file my report 
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06-07-2011, 03:50 PM
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#12
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Montana Master
Join Date: Feb 2005
Location: Pagosa Springs
Posts: 3,711
M.O.C. #3120
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Wal-Mart has the swivel thingy that attaches to the top of the vent pipe...they're about $18. They help.
When the fantastic vent is on at the same time you flush, the sewer gases just get pulled into the living area.
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