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08-09-2015, 03:43 PM
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#1
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Seasoned Camper
Join Date: Jun 2014
Location: Salem
Posts: 79
M.O.C. #14437
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odors under sink on kitchen island-check vent?
We are getting sewer odor under our kitchen sink, I have replaced the check vent (anti siphoning vent) this is the second one we have replaced in about a year and a half....is there any other options out there? TIA 
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08-09-2015, 03:59 PM
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#2
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Montana Fan
Join Date: May 2010
Location: Crossville
Posts: 184
M.O.C. #10367
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Remove the valve and plug it. I did both the kitchen and bathroom sink. No more odors
__________________
Crossville, TN
2012 3455SA
2013 Ram 3500 Swd
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08-09-2015, 04:19 PM
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#3
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Montana Master
Join Date: Mar 2005
Location: Port Orchard
Posts: 1,153
M.O.C. #3403
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I have heard of removing it and connecting it with pex, but plugging it. How does that work?
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08-10-2015, 02:17 AM
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#4
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Montana Master
Join Date: Mar 2013
Location: Frostproof, FL USA
Posts: 2,362
M.O.C. #13272
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The only way I have ever solved my gray tank odor problems were to use my Flush King and rinse out the gray tanks. I don't flush them every time I flush my black tank but probably every other time. After I began doing that we never had odors again.
__________________
Previous: 2008 Montana 3400RL & 2014 3725RL
Current: Full Time 2022 SOB TT Toy Hauler
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08-10-2015, 03:24 AM
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#5
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Montana Master
Join Date: Sep 2006
Location: Kelowna
Posts: 1,475
M.O.C. #6237
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We put some Happy Camper in the sink when it starts to smell and that helps. Any tank treatment will help.
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08-10-2015, 03:29 AM
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#6
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Sometimes leaving the gray flush open all the time is a possible factor.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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08-10-2015, 06:17 AM
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#7
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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If your sink has a roof vent, then the extra vent isn't necessary and can be removed and the extra pipe stub capped off. If there isn't a vent going to the roof, then you have two choices. 1- cap it and put up with slow draining if you have a lot of water in the sink 2- convert that valve so you can put charcoal from a pet store in it. John
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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08-10-2015, 07:40 AM
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#8
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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You can also replace it with a really good one. Home and restaurant remodels use them all the time, they just don't come from the low bidder.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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08-30-2015, 03:57 PM
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#9
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Seasoned Camper
Join Date: Jun 2014
Location: Salem
Posts: 79
M.O.C. #14437
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We just capped it off, the sink drains just fine and no more odors....
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