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Old 04-17-2014, 03:45 PM   #46
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I'm connect to a metal piping, the same size as the compression tubes. I don't want to rip that mental piping out. Can I convert from metal piping to plastic w PVC?
Use a female adapter or a shielded Fernco coupling.
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Old 04-17-2014, 03:50 PM   #47
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Use a female adapter or a shielded Fernco coupling.
Are compression fittings really that bad?
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Old 04-17-2014, 04:55 PM   #48
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Are compression fittings really that bad?
Who said they are bad?
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Old 04-17-2014, 06:01 PM   #49
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Get your drain snaked. Get rid of the S trap. Install a Sanitary tee with A P trap and AAV 6 inches directly above the tee.
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Old 04-17-2014, 08:05 PM   #50
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Get your drain snaked. Get rid of the S trap. Install a Sanitary tee with A P trap and AAV 6 inches directly above the tee.
only took 49 post do i hear 100
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Old 04-17-2014, 09:07 PM   #51
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For everyone's information S traps have been illegal to use for almost 34 years now. S traps have a bad habit of self siphoning and losing the water seal that is what keeps the evil sewer smell from entering your abode.
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Old 04-17-2014, 09:32 PM   #52
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Ok guys, here is an update. Try to hear me out on this without code popping into your head. I did electrical so I get the same way when people tell me stuff.

I talked to a very experienced plumber and showed him a ton of pictures and he said the current way I have the AAV set up should drain no problem. There should be no positive pressure and that the T being where it is would work as long as the AAV is as high as it is. He said the only reason they show it set up the way in the pictures is because that is how the code is for them. It still should work no problem with the way that it is set up and that simply moving the T above to trap would still have the same exact effect as it does.

We have come to the conclusion that the sink drainage is not even hooked up to the septic system! Rather it is simply just draining into the grass.

A little back history, there use to be only one septic line out of the house (there are two now). That one septic line did the bathroom and the kitchen since there were both really close to each other. An addition was put on for a new kitchen at some point in to 50's-70's. The original out drain is still in place. It now does the sink, tub and toilet without any problem and is properly vented.

Now in the addition, which is now the kitchen, it has different septic drain going out of the house. This one I have not a clue where it goes but I do not think it goes to the septic. There is a part of the lawn that gets really green and wet, I think that's around where it drains. There is only a kitchen sink going out of this drain so I can see someone reasoning during that time period that they would just drain it out into the lawn since it is only sink and dish washer. No waste is going out.

This would explain the positive pressure and why the trap won't open since there is positive pressure in that line. The septic and other line out are properly vented. This drain out has no vent besides that AAV I put in. Another reason I think this is because when taking the drain and trap apart there was absolutely no bad smell coming out! Even when I unscrew the AAV to let all the air pressure out it does not smell at all! I put my nose right up to it and could not tell any difference from the normal air. This would explain a lot if they just ran a sink drain out of the house and somewhere in the yard vs trying to hook it up to the old septic system and digging the whole yard apart.

Does this seem about right to everyone?
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Old 04-17-2014, 09:33 PM   #53
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For everyone's information S traps have been illegal to use for almost 34 years now. S traps have a bad habit of self siphoning and losing the water seal that is what keeps the evil sewer smell from entering your abode.
This old work has been there for probably over 40 years. Which would explain my post I did above.
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Old 04-17-2014, 09:45 PM   #54
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Seen a lot of kitchen sinks that way from the era you state.
Your sink is still not vented or plumbed correctly (I didn't say the word code)

As i asked long ago and other plumbers have brought up- clean the line to improve flow, and install the tee above the P trap. By doing this, you will have eliminated unknowns(to you) and then you can move forward to more expensive and time consuming fixes- like putting the sink on your septic
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Old 04-17-2014, 10:06 PM   #55
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Seen a lot of kitchen sinks that way from the era you state.
Your sink is still not vented or plumbed correctly (I didn't say the word code)

As i asked long ago and other plumbers have brought up- clean the line to improve flow, and install the tee above the P trap. By doing this, you will have eliminated unknowns(to you) and then you can move forward to more expensive and time consuming fixes- like putting the sink on your septic
That is something that was common then? To just vent a sink out into the lawn vs hooking it up to the septic? I see why they now require inspectors and things of that nature. I rent this house so I am not trying to do too much work to it. Only reason I did this was to hook up a dishwasher that he said he'd pay for. If it was my house I'd redo everything. Unless he wants to pay me I'm not going above and beyond just so the next tenant can enjoy it.

According to the plumber I talked to it's not going to magically make the positive pressure go away by installing the T above the trap. The positive pressure is most likely because it's not even going to the septic and is just drained right into the lawn.
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Old 04-17-2014, 10:13 PM   #56
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Ours were piped to a cesspool, drywell or what ever name you want to call it.
Since my local ground is rocky, the practice was to assemble a rock igloo underground using small boulders. Then poke the kitchen line into it. Then bury the pit. This would allow the grey water to leach into the surrounding soil.
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Old 04-18-2014, 08:23 AM   #57
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Ours were piped to a cesspool, drywell or what ever name you want to call it.
Since my local ground is rocky, the practice was to assemble a rock igloo underground using small boulders. Then poke the kitchen line into it. Then bury the pit. This would allow the grey water to leach into the surrounding soil.
Wow I didn't know it was a common practice. At this point this is the only thing we could come up with without putting a snake down there and seeing if we hit a dead end or can hear it in the septic. I've had the AAV unscrewed enough to where it allows air out when the sinks drains and so far we have absolutely no smell coming out what so ever. It seems more and more likely that they just drained it into the yard.

Again if I owned the house I would tie it in to the main septic line. I'm not putting the time and money in though for my landlords sake.
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Old 04-18-2014, 05:04 PM   #58
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Ok guys, here is an update. Try to hear me out on this without code popping into your head. I did electrical so I get the same way when people tell me stuff.

I talked to a very experienced plumber and showed him a ton of pictures and he said the current way I have the AAV set up should drain no problem. There should be no positive pressure and that the T being where it is would work as long as the AAV is as high as it is. He said the only reason they show it set up the way in the pictures is because that is how the code is for them. It still should work no problem with the way that it is set up and that simply moving the T above to trap would still have the same exact effect as it does.

We have come to the conclusion that the sink drainage is not even hooked up to the septic system! Rather it is simply just draining into the grass.

A little back history, there use to be only one septic line out of the house (there are two now). That one septic line did the bathroom and the kitchen since there were both really close to each other. An addition was put on for a new kitchen at some point in to 50's-70's. The original out drain is still in place. It now does the sink, tub and toilet without any problem and is properly vented.

Now in the addition, which is now the kitchen, it has different septic drain going out of the house. This one I have not a clue where it goes but I do not think it goes to the septic. There is a part of the lawn that gets really green and wet, I think that's around where it drains. There is only a kitchen sink going out of this drain so I can see someone reasoning during that time period that they would just drain it out into the lawn since it is only sink and dish washer. No waste is going out.

This would explain the positive pressure and why the trap won't open since there is positive pressure in that line. The septic and other line out are properly vented. This drain out has no vent besides that AAV I put in. Another reason I think this is because when taking the drain and trap apart there was absolutely no bad smell coming out! Even when I unscrew the AAV to let all the air pressure out it does not smell at all! I put my nose right up to it and could not tell any difference from the normal air. This would explain a lot if they just ran a sink drain out of the house and somewhere in the yard vs trying to hook it up to the old septic system and digging the whole yard apart.

Does this seem about right to everyone?
Yea your plumbers an Idiot. I think that is all I can say. Tell dummy to try that in a house I inspect.
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Old 04-18-2014, 08:19 PM   #59
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AHHHH i can't stand it any longer give me your state and address gonna drive up and install it myself
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Old 04-19-2014, 08:09 AM   #60
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Yea your plumbers an Idiot. I think that is all I can say. Tell dummy to try that in a house I inspect.
I'm a little confused as to why you resorted to name calling... If you could be a little more specific as to why he is a dummy I'd appreciate it.

He did none of the plumbing in the house. Instead of resorting to name calling like a 4th grader a little more explanation would be useful.
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