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Old 01-29-2010, 04:53 PM   #16
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Help, help, help, trying to cut old drain & keeps crushing.


Quote:
Originally Posted by nap View Post
it's an acronym of "Not A Plumber"
well whattaya know.... learn something new every day i guess.
i thought it was because you slept a lot at work...... heh heh

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Old 01-29-2010, 05:48 PM   #17
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Help, help, help, trying to cut old drain & keeps crushing.


Quote:
Originally Posted by DangerMouse View Post
well whattaya know.... learn something new every day i guess.
i thought it was because you slept a lot at work...... heh heh

DM
work? what's that?

I am pseudo-retired


hey, not ignoring the HDD thing. Dad is just being, uh, let's say, not overly aggressive in supplying my needs.

He's 84, I love him to the end but sometimes...

well, at 84 he can do any dang thing he wants as far as I am concerned

I just make requests and wait. It's kind of like asking the government for something.
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Old 01-29-2010, 06:10 PM   #18
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Help, help, help, trying to cut old drain & keeps crushing.


Yup It drains great. I was surprised when I tested it. I had picked up a cheater vent and was going to put it in if I needed it. I believe the drain line below must be vented and I just didn't see it. Where your seeing the clean out was going to be turned to the back and would have connected the vent up behind the sink.
When I did the dry fitting ( Meaning I cut everything and put it all together to make sure it all fits ok and nothing needs to be changed ) and ran the water to check for leaks I notice that it now drained great. I'm thinking maybe part of the problem was the old drain line was to small.
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Old 01-29-2010, 06:28 PM   #19
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Help, help, help, trying to cut old drain & keeps crushing.


It does indeed drain great, in fact a little too great which is what causes the trap to siphon. That is why you should have installed either a vent or a AAV at the top of the pipe that drops to the drain. Other than that though, nice job.
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Old 01-29-2010, 06:41 PM   #20
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Help, help, help, trying to cut old drain & keeps crushing.


When I go back I'll try to find where it ties into the vent. If it isn't tied into the vent, wouldn't it drain slow? Do you know of any way I can figure out if it isn't tied in to the vent line?
Were in the middle of one of our snow storms so once I've been able to dig out and get down to the house I'm working on this I'll try and find were it ties in.
I still have the vent, but I don't think were really supposed to use them. If can find that its not really vented I'll just flip the clean out around to facing the back and put in a line for the vent.
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Old 01-29-2010, 07:11 PM   #21
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Help, help, help, trying to cut old drain & keeps crushing.


Isn't that an illegal S trap without a vent ?
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Old 01-29-2010, 07:21 PM   #22
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Help, help, help, trying to cut old drain & keeps crushing.


I don't know what you mean about an S trap. I purchased one 6tf peace of ABS, one P trap, a few elbows, a sanitary tee & plug.
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Old 01-29-2010, 07:37 PM   #23
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Help, help, help, trying to cut old drain & keeps crushing.


Yes, scuba, it is an illegal S trap. As a general rule of thumb, every time you go down with a pipe (from a trap) you need to go up with a vent. Like this, add the p trap where the horizontal trap adapter is.
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Old 01-29-2010, 08:23 PM   #24
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Help, help, help, trying to cut old drain & keeps crushing.


The sink drains good now that I changed all the pipes. I looked at some of the pictures I had taken in the basement and I can see where were its connected to the vent line for the house. The one that goes up through the roof. So I think its vented ok.
Thank you for posting the drawing I hadn't seen it before I messaged you. Do you think I still need to put the other vent in? If I do I'll take of the elbow and turn the waist line to meet the p trap and extend up and put on the vent that I had picked up. Its an In Line Vent, by Oatey. Basically like the drawing you posted.
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Old 01-29-2010, 11:28 PM   #25
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Help, help, help, trying to cut old drain & keeps crushing.


Quote:
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Isn't that an illegal S trap without a vent ?
alright, explain the diff between a p trap and an illegal s trap on this thing.
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Old 01-29-2010, 11:35 PM   #26
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Help, help, help, trying to cut old drain & keeps crushing.


See how the pipe forms an "S" from the clean-out over to the sink?

If the pipe went straight up from the clean-out to a vent then it would be a normal trap
Called a P trap because it looks like a "P" without the little straight part there at the top
All has to do with proper venting

I know cause I also have a S trap under my kitchen sinks
So I only know because I saw this in the past & asked about my setup
On the list to be fixed
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Old 01-29-2010, 11:40 PM   #27
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Help, help, help, trying to cut old drain & keeps crushing.


so if she would replace the 90 above the clean-out with a T or more properly what ever that fitting would be called with "the some what angled but not yet a Y fitting" and added the vent above, all would be well?

Don't laugh at the description.

I told you, I am not a plumber.
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Old 01-30-2010, 12:26 AM   #28
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Help, help, help, trying to cut old drain & keeps crushing.


Yes, if above the cleanout was "T" with an end going up to a vent all would be well

I'm nowhere near a plumber, just happen to have the same issue
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Old 01-30-2010, 01:02 AM   #29
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Help, help, help, trying to cut old drain & keeps crushing.


Hi did you guys see where I said i found where its vented. So I think I may not need to add a cheater vent. I'm going to try and find more info about this before I glue it all together.

Dave I didn't buy a "S" trap , I think the way its put together I guess looks like one, which may be why you think I put one in. I had to be able to be able to connect the "P" Trap to the drain. (100% P Trap that I bought I copied the receipt so you can see the list)

When you look at the picture I put up you see where the P Trap is with the little its angle towards the back and as an elbow that's screwed in angle forward towards the drain line with a straight piece of abs then another elbow and abs to the sanitary tee. Its not set permanent yet. I'm still able to make changes if I need, but don't want to put a cheater vent if I don't have to.
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Old 01-30-2010, 01:25 AM   #30
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Help, help, help, trying to cut old drain & keeps crushing.


normally, the liquids run down the drain due to gravity and once there is no more pressure from above, they quit flowing leaving the trap full. If the drain is not vented above the clean out, the liquids could make a good enough seal to cause a vacuum on the trap and siphon the remaining liquids causing it to not act as a trap. The local vent prevents that by preventing a vacuum in the drain line going down.

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