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Old 11-18-2013, 08:13 PM   #1
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Join Date: May 2012
Location: Drummondville
Posts: 27
Allegro Open Road 34TGA bad odor under sink of bathroom

I have a 2012 34 TGA and noticed a bad sodor coming from Under the sink in the bathroom.
I presume this is coming from the vent for the grey water tank.
Does anybody had issues with this.

I keep the valve closed and empty the grey tank on a regular basis .
Thank you
Yves Larocque
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Old 11-18-2013, 08:50 PM   #2
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Workhorse Chassis Owner
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There was a discussion about this on the Tiffin RV Network not long ago. I can't remember what the solution was but you can join the network and do a search for free.

Tiffin RV Network

Jon & Sue Francis (Retired U.S.A.F.)
Lil Girl-Rescued, Abby Rescued, Peaches Rescued
06 Allegro 35TSA Workhorse Chassis
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Old 11-19-2013, 08:46 PM   #3
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What you are looking for is an air admittance valve (AAV). You can get a replacement at Lowes or Home Depot in the plumbing dept.
Roger & Mary
2017 Winnebago Navion 24V (Sold)
2014 Tiffin Phaeton 36GH (Sold)
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Old 11-19-2013, 09:43 PM   #4
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Location: Monterey, Tn
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luvlabs hit the nail on its head. My TGA had smells coming from the cabinet in the toilet room so I went to Lowes and bought a new AAV and installed it. No more smell.
2012 Tiffin Allegro 34 TGA
Ford V-10 22000 lb chassis
Brake Buddy Advantage,
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Old 11-20-2013, 07:32 AM   #5
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Thanks to all of you,
I will go to lowe's and pick up a AAV and give it a try
Yves Larocque
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Old 11-25-2013, 02:07 PM   #6
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Where is the AAV located

I have a 2012 34 TGA looked under the floor in the bathroom vanity there was a lift hole, under it was a white plastic whatever with wires going into it does anybody know what that is and what it does is it associated with the AAV unit for odors?

Still finding things out, at least I got the surround sound working.
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Old 11-26-2013, 08:00 AM   #7
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Did you find the way to make the surround sound work with the television.
I can only play it with a dvd or IPOD
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