Please see my reply later in the thread for tl;dr.
Yeah, I know, "cheap AAV" is probably redundant...
An AAV has possibly failed in my 3-year-old double-wide (along with three doorknobs, three stripped-out power outlets (no work boxes), two light switches, and two plastic faucets) and I'm looking to replace them all. Each of the five sinks has a dedicated AAV and, fortunately, the shower and bath and toilets have roof vents. I have ensured the roof vents are not clogged with a garden hose and a person listening inside the home for any gurgling or obstruction.
As you can see in the photos, the AAV model is Ayrlett 6 AB, and like all the other stuff the place came with, it appears to be the worst on the market--in fact, the Ayrlett doesn't even list the AB version any longer so I don't know exactly what the specs are and I can't even say it's 'on the market' anymore. Here's a link to the Ayrlett 6 models that ARE still acknowledged to exist on their official website.
I can't figure out how I would install a decent model, like the Oatey 39225 which seems to be what I need? The Ayrlett has female threads and you see the result in one of the pics of what the drain pipe looks like with the Ayrlett removed. There's not much clearance between the pipe and the cabinet wall for a big adapter, so I would have to hit the cabinet wall with a router to fit an adapter.
Is there ANY better drop-in replacement for the Ayrlett that won't just fail?
Is it weird that the Ayrlett is female-threaded or is an adapter usually just cemented onto the drain pipe, and in this case, it's built into the AAV itself? The top part of the AAV can be rotated in either direction by hand indefinitely.
P.S.: If anyone wants to troubleshoot, the sewage smell is coming from the sink drain nearest the septic tank, so the path of least resistance. There's no draining issues even when I pour a whole bucket of water down the drain, no gurgling, no siphoning of the trap under the sink, and no sewage gas smell in the cabinet under the sink--just sewage stink is coming from the drain itself which MOSTLY goes away for a week or two after using septic-safe Liquid Plumr. I would think if the AAV was failing and was stuck OPEN, the cabinet underneath would stink, not the drain, and if the AAV was stuck CLOSED, I would have slow draining or gurgling or siphoning, but the trap water was at the same level 24 hours after not using the sink in question. I'm told by a plumber friend who I don't want to invite over that the problem is definitely the AAV and that a problem with the septic tank, a brand new 1500 gallon which has not been pumped yet in the three years I've had it, couldn't possibly be responsible for sewer gases fouling the water of the traps and finding their way all the way up the drain. Any insight would be greatly appreciated!
P.P.S.: Check out this official Ayrlett AAV video where an Ayrlett spokesperson comments three times about how awesome their AAVs are using the same account he used to upload the video.
Yeah, I know, "cheap AAV" is probably redundant...
An AAV has possibly failed in my 3-year-old double-wide (along with three doorknobs, three stripped-out power outlets (no work boxes), two light switches, and two plastic faucets) and I'm looking to replace them all. Each of the five sinks has a dedicated AAV and, fortunately, the shower and bath and toilets have roof vents. I have ensured the roof vents are not clogged with a garden hose and a person listening inside the home for any gurgling or obstruction.
As you can see in the photos, the AAV model is Ayrlett 6 AB, and like all the other stuff the place came with, it appears to be the worst on the market--in fact, the Ayrlett doesn't even list the AB version any longer so I don't know exactly what the specs are and I can't even say it's 'on the market' anymore. Here's a link to the Ayrlett 6 models that ARE still acknowledged to exist on their official website.
I can't figure out how I would install a decent model, like the Oatey 39225 which seems to be what I need? The Ayrlett has female threads and you see the result in one of the pics of what the drain pipe looks like with the Ayrlett removed. There's not much clearance between the pipe and the cabinet wall for a big adapter, so I would have to hit the cabinet wall with a router to fit an adapter.
Is there ANY better drop-in replacement for the Ayrlett that won't just fail?
Is it weird that the Ayrlett is female-threaded or is an adapter usually just cemented onto the drain pipe, and in this case, it's built into the AAV itself? The top part of the AAV can be rotated in either direction by hand indefinitely.
P.S.: If anyone wants to troubleshoot, the sewage smell is coming from the sink drain nearest the septic tank, so the path of least resistance. There's no draining issues even when I pour a whole bucket of water down the drain, no gurgling, no siphoning of the trap under the sink, and no sewage gas smell in the cabinet under the sink--just sewage stink is coming from the drain itself which MOSTLY goes away for a week or two after using septic-safe Liquid Plumr. I would think if the AAV was failing and was stuck OPEN, the cabinet underneath would stink, not the drain, and if the AAV was stuck CLOSED, I would have slow draining or gurgling or siphoning, but the trap water was at the same level 24 hours after not using the sink in question. I'm told by a plumber friend who I don't want to invite over that the problem is definitely the AAV and that a problem with the septic tank, a brand new 1500 gallon which has not been pumped yet in the three years I've had it, couldn't possibly be responsible for sewer gases fouling the water of the traps and finding their way all the way up the drain. Any insight would be greatly appreciated!
P.P.S.: Check out this official Ayrlett AAV video where an Ayrlett spokesperson comments three times about how awesome their AAVs are using the same account he used to upload the video.
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