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08-10-2020, 07:09 PM
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#1
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Junior Member
Join Date: Mar 2020
Location: Alvarado
Posts: 7
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Terrible Gray Tank Odors
Purchased 2020 Pinnacle late Feb. have had terrible odors from the beginning and hasn’t gotten better. Especially strong when using the kitchen sink or in the bedroom/closet just after a shower. We follow all the guidelines about dumping to the letter, use the black tank flush every single time, have tried various kinds of black and gray tank treatments, and have replaced the vent with a better one.
Any more ideas?!
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08-10-2020, 08:45 PM
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#2
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Your rig probably has Air Admittance Valves under the sinks and in cabinets that vents the drain lines. These have been know to stick open, which allows gray tank gases to escape into the cabinets. I would check them by running the sinks and see if you can hear or smell gas coming out.
You can get replacements at Home Depot.
https://www.homedepot.com/b/Plumbing...s/N-5yc1vZca2v
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08-11-2020, 07:20 AM
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#3
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Senior Member
Join Date: Jun 2016
Location: Newburgh
Posts: 6,307
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I agree with retired above on the AAV's but if your smell is actually related to something in your tank, the best product I have found is "Happy Camper" for resolving the issue.
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08-11-2020, 10:29 AM
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#4
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Senior Member
Join Date: Mar 2018
Location: Boiling Springs
Posts: 533
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X2 on Happy Campers. Best I have ever used.
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08-11-2020, 11:42 AM
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#5
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,829
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X3 on Happy Camper. Food particles that can be left when dumping can give off odors that are worse than the black. You might also use the same method as the black by filling with 10/15 gals of water and some dawn. Drive to your next camp location and dump.
Are you saying that you already replaced the AAV?
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08-11-2020, 03:31 PM
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#6
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Junior Member
Join Date: Mar 2020
Location: Alvarado
Posts: 7
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Thank you. I had not heard of the AAV. I’ll check that our.
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08-11-2020, 03:32 PM
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#7
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Junior Member
Join Date: Mar 2020
Location: Alvarado
Posts: 7
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No, we haven’t changed the ASV, but I’ll definitely check it out. And thanks for the tip on Happy Camper!
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08-11-2020, 03:46 PM
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#8
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Quote:
Originally Posted by Marcm157
I agree with retired above on the AAV's but if your smell is actually related to something in your tank, the best product I have found is "Happy Camper" for resolving the issue.
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I understand about the Happy Camper, but first, this is a new rig, so how much buildup can there be in the gray tank after a few months?
Second, even if there was a buildup of crap in the gray tank, there should be no smell in the rig, unless the AAV valves are malfunctioning, and venting into the rig. The tank smells should be venting out the roof vent. Or, backing out of a dry trap, but I would guess, since the rig is being used, not the case.
Come to think of it, does that rig have a washer/dryer hookup? If so, it could be a dry trap at the washer hookup that the odors are coming from.
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08-11-2020, 04:01 PM
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#9
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Junior Member
Join Date: Mar 2020
Location: Alvarado
Posts: 7
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All good points. It is a new rig, so I’d also be surprised if there is build up already. Also, we’ve had this issue almost from the beginning. It does have a washer/dryer prep. It has never been hooked up. How would I check the dry trap?
I believe we are having 2 separate issues- one smell is when we run the kitchen sink. One is coming from our closet are (where the prep is) after a shower.
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08-11-2020, 04:46 PM
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#10
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Quote:
Originally Posted by Adh20
All good points. It is a new rig, so I’d also be surprised if there is build up already. Also, we’ve had this issue almost from the beginning. It does have a washer/dryer prep. It has never been hooked up. How would I check the dry trap?
I believe we are having 2 separate issues- one smell is when we run the kitchen sink. One is coming from our closet are (where the prep is) after a shower.
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If it's from the beginning, I bet a dry trap. Also, since you say you smell it at the bedroom closet, is the W/D next to that closet?
First, go run the shower, and go in the W/D closet and see if you hear water running or smell odor.
Next, go get a big cup of water, find the drain pipe in the W/D closet, and pour the water into it, to fill the trap. It might take one or two cups. Then, go run the shower again and see if you still smell it in that area.
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08-11-2020, 05:09 PM
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#11
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Senior Member
Join Date: Jul 2016
Location: Mapleton
Posts: 4,343
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If all else hasn't helped try going on top and take a look at the vent tube. Could be blocked, take a strong flashlight and take a look down it. Any smell coming up?? If no smell get a long pole and gently lower it and see if you hit something before it goes into the tank. Or maybe they put in the vent tube and it is broken, never got glued up properly.
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