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Old 02-04-2015, 11:30 AM   #29
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Thank you for this post. I just replaced the Kitchen & bath sink air valves, $6.29 each at Lowes.. Question,, is their a valve for the shower.. The problem was while showering, gray tank close to full, water would suck out of the Kitchen "P" trap... So I wont know for a few days if I fixed anything.

2004 National Sea Breeze LX8375, Towing a 2012 Liberty.
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Old 02-04-2015, 04:38 PM   #30
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My wife has complained occasionally about an odor under the sink where the garbage can is located so I assumed it was the garbage. Now I will replace that valve and I bet that solves the problem!

Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 02-05-2015, 08:06 AM   #31
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I have had the same issue but only when traveling. I just replaced the vent valve but haven't traveled with it installed to check it. I have my fingers crossed since a visual inspection of the old valve found nothing apparently wrong...rubber seal still flexible and sealed well.
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Old 02-05-2015, 08:14 AM   #32
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I had the same odor issue and replaced the vent covers on the roof with the Cyclone spinners, took care of the problem. A year later the wind blew one of them off the roof. I replaced it with a 360 product one and for some reason my odor issue was back. I'm going to re-install another Cyclone spinner now.
2007 National Sea Breeze
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Old 02-05-2015, 10:31 PM   #33
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I have a cyclone vent but not installed yet...I like to make one fix at a time so I know what the problem was.

2017 Newmar Ventana 4037, 2010 Chevy Equinox LTZ
Roadmaster tow stuff, Winegard Trav'ler SWM/DirecTV
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