All Questions
Tagged with drain-waste-vent sink
28 questions
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Questions about bathroom sink drain and vent
I am doing a bathroom reno and have three questions about venting and drains.
#1 - There was vent left open in the wall. It is on the left facing down. Is it appropriate to just cap that and leave it ...
- 1,115
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2
answers
172
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Kitchen sink water not draining though there is no clogging
I'm reaching out to you all in a bit of a panic as I'm facing a perplexing issue with my kitchen sink and dishwasher. Recently, I noticed that the water in my kitchen sink was not draining properly. ...
1
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1
answer
952
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May a single sink be safely drained through the vent pipe on a sewage ejector pump? [closed]
I have a new bar sink in my basement. The only remaining jobs are to tie the pex lines into the main water lines and to connect the sink drain to the sewage pump. The part that has me a bit troubled ...
- 131
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1
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3k
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How best to brig old Pex water lines up to code / safety
My house in in western New York state. I'm trying to deal with the hack job that the previous owner or flipper did on my house with respect to the water supply lines in the kitchen (hot to sink, cold ...
- 139
4
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2
answers
233
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Is this a good way to plumb a garage sink and stop existing sewer gas smells?
The builders or previous owner of my house had the water that drains out of the A/C going through a 1" pipe that was simply sitting inside a 2" pipe (cut just 2" above the slab). A ...
- 167
1
vote
1
answer
307
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Lower the point of drain attachment to a vent and adding a Studor (AAV)
I have a negative pitch in the drain pipe coming out of my sink drain that attaches directly to the vent stack.
The vent stack is mostly inaccessible at the height of the p-trap though inside the sink ...
- 676
1
vote
1
answer
132
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Which of these options is the safest/most efficient method to plumb a kitchen sink drain in an island?
First, I'm going to try and describe the current (original/builder) configuration. It seems more complicated than it needs to be, but perhaps there's a reason or code that is required. This is a ...
- 111
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11k
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Will a doubled P-trap cause problems if it has a vent between the traps?
Our plumber discovered that the drain pipe under our bathroom sink (which is done properly with a P-trap and vent) has a second P-trap down in the crawl space, which is incorrect.
I've been ...
- 1,080
1
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1
answer
3k
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Does code allow flexible PVC for drain through joists?
I need to run a drain line for a sink through a multitude of joists. I could certainly cut 16" pieces of PVC pipe and use couplers to join, but, the numerous joints seems like an excess of places ...
- 879
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3
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2k
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Why does one of my bathroom sinks drain slowly when the water is running, but drains quickly when filled and drained?
One of my bathroom sinks drains slowly with the water running ( like when brushing your teeth ) but drains quite quickly if I plug the sink, fill it all the way, and release the drain plug.
When the ...
- 5,860
6
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2
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3k
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Is my plan for an air admittance valve ok?
I am in the middle of finishing my basement and want to add a sink that will attach to an existing kitchen drain from above. I don't have a way to vent the sink easily unless I use a Air Admittance ...
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1
answer
20k
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90 degree turn in horizontal sink drain
I'm doing a kitchen renovation and moving the location of the sink so that the plumbing stub-outs (supply and drain) need to exit the wall one stud-bay over. I'm also replacing the old galvanized pipe ...
- 249
4
votes
2
answers
9k
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Can a sink drain into a shower venting pipe?
I'm trying to add a sink next to an existing bathroom. Sink will be probably 3 feet from shower vent pipe. Floor is a concrete slab so all existing drains are underneath. I'd like to minimize busting ...
- 61
1
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1
answer
658
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Are the sink and washer vented correctly?
I want to avoid cutting through the studs supporting the window header above the sink. Many of the plumbing diagrams I've seen cut through multiple studs. This layout would only require holes for ...
3
votes
1
answer
51k
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Utility Sink and Washing Machine Drain Pipe
I am installing a utility sink in my basement and need to rework the drain pipe and standpipe for my washing machine in the process.
Above is the original drain pipe and stand pipe that the washing ...
- 461
1
vote
0
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236
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Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does?
Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does? See links below for more info on pumps
Hartell Pump
Little Giant
I am having a hard time ...
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3k
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How can I connect dishwasher waste pipe to sink waste pipe?
I moved in recently in our new home and when we put the dishwasher on a gush of water appeared on the floor. I turned off the dishwasher and took a look under the sink to find the waste pipe was ...
- 11
2
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4
answers
81k
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What can I do if drain alignment doesn't allow enough space for p-trap?
I'm remodeling my bathroom. The sink drainage come up from the floor. The alignment between that and the drain coming from the sink doesn't have enough space for a p-trap to be installed so it just ...
- 133
13
votes
7
answers
282k
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Sink tailpiece doesn't line up with trap
After installing a new bathroom sink, the drain tailpiece doesn't line up with the trap coming out of the wall. I've seen flexible accordion hoses for this, but I think that violates code (P3002.3.1)....
- 530
1
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2
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35k
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How can I reattach a drain pipe that detached under the sink?
Recently, I had a clog in my bathroom sink that I wanted to attempt to fix myself. Believing the clog to be in the P-trap, I bought a pipe wrench, removed the trap, cleaned it out, and attempted to ...
- 113
5
votes
2
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4k
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How can I replace this unusual kitchen sink drain pipe?
I'm trying to replace a broken 1-1/2 inch L-shaped brass pipe under my kitchen sink, as in this picture:
At one end, it's connected to the sink drain, which if I'm understanding the terminology ...
- 167
6
votes
3
answers
45k
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Why does water and gunk back up through the overflow hole in the bathroom sink?
When I run the water in my bathroom faucet it sometimes (but not all the time) slowly starts to creep up the overflow hole and pour back into the sink. Included with the water is black and grey gunk. ...
- 307
4
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1
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2k
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How can I install a J-Trap for a bathroom sink with limited space?
Well, it was my first difficult handman project and I got this far...
Below is a photo of my installation right now. Every single diagram I've seen has the J-Trap facing down. Is there any way ...
- 155
8
votes
3
answers
9k
views
What could cause my sink to drain slowly?
Sometimes our bathroom sink will drain so slowly (with the water running) that the water will fill it faster than it can drain.
However, after shutting the water off and letting it completely subside,...
- 951
5
votes
2
answers
16k
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What would cause a kitchen sink to drain very slowly?
I snaked my kitchen sink drain to the end of my 20' snake so I know there is no clog for 20'. When I run water into the sink it starts to fill up immediately - not enough time to fill 20' of pipe. ...
- 51
7
votes
3
answers
32k
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Connecting a P-trap to a female drain connector in the wall
I am replacing a bathroom vanity and while I'm doing that, I'm also replacing the p-trap for the sink (mostly because I want one with a drain, but also because I have to raise the height a couple ...
- 29.2k
8
votes
2
answers
32k
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New Vanity: Sink Won't Drain Completely
My wife and I just replaced the vanity in our bathroom. To fit the new sink, we had to cut some new PVC. Here's a picture.
All the plumbing works, without leaks, except that it will not drain ...
- 285
5
votes
3
answers
33k
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Do I need a separate vent stack for my kitchen sink?
The drain line from my kitchen sink drops down through the basement, into the basement floor (Concrete), and I assume under the floor to the main sewer line. The sink tends to drain slowly. Should I ...
- 132k