Questions tagged [p-trap]

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1answer
6 views

Installing bath sink draining for pedestal when drain does not line up

I have install a pedestal sink in my basement half bath. The drain pipe is perpendicular to the sink and the p-trap does not extend out far enough from the pedestal to allow for connecting. What are ...
6
votes
1answer
594 views

Can elbow fitting be used to line up drain tailpiece with trap

I installed a new vanity and the drain tailpipe does not line up with the P trap. Can I use two 90 degree elbow fittings to make this connect? Can elbows connect to elbows directly or does it require ...
2
votes
2answers
341 views

What kind of j-trap will fit this pipe?

The quarter bend is threaded and has, at the threaded end, an exterior diameter of approximately 2.5" while the pipe itself is more like 2.375" OD, so I believe this is 2" PVC. It is ...
0
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0answers
17 views

Plumbing a 60inch double vanity with one or two p traps

Here is my layout. I have one drain on the right side of the vanity coming through the floor. If I come up to TEE WYE Going to The left sink with a pipe run that is 40 inches hooking to a p-trap then ...
2
votes
1answer
41 views

HVAC Condensate Line P Trap

I've consistently experienced issues with my AC. I won't get into all of the background, but I would like to know if the pictured condensate line is appropriately trapped. The vertical PVC pipe is not ...
3
votes
1answer
338 views

Is this plumber's putty?

Is this giant mess made of plumber's putty, and if so, what can I expect to find behind it if I chisel (or Dremel) it off? It has a slow leak so I'd like to fix it, but I'm not sure what it is, and I'...
0
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0answers
35 views

New garbage disposal drain is a bit higher than stubout on wall

So I'm in a basement that is below the drain-level of the house, and there's a small kitchenette, bathroom, and thus a sump pump. I decided to in garbage disposal unit (there wasn't one before) in ...
0
votes
1answer
28 views

How to repair leak between P-trap arm and drain pipe

I recently replaced my bathroom faucet including the water supply lines and I now have a slow leak from the drain pipe/P-trap connection. I'm thinking I must have accidentally bumped the P-trap or ...
0
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2answers
59 views

Laundry drain smells like sewer after washing clothes

I have an in-wall laundry drain - pictured below. Since we moved in it had a significant clog which I unclogged with a combination of wet-vac sucking on the drain and snaking the vent pipe. Finally we ...
1
vote
1answer
77 views

P trap won't drain from water softener

I installed a water softener in a house we just moved into. I did a manual regen to test everything and nothing or at least very little drains past the P Trap and is pouring into the crawl space. I ...
5
votes
3answers
1k views

How do I plumb this kitchen sink to stop the leak and improve drainage

I'm trying to stop this setup from leaking and improve the drainage. The sink is a bit low, and the basket strainer drops a few inches. Below that, I have a tailpiece with a dishwasher connection, ...
0
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1answer
82 views

Is my sink trap too high?

Hello I renovated my kitchen and had plumbing moved and replaced. Didn’t really think about the height of the waste pipe before cabinets sink and countertop went in. With new sink and disposal ...
1
vote
1answer
46 views

What is the best way to rebuild this shower drain?

Converting a tub to a shower, and with the drain location changing I'm just getting back to the underbelly and seeing the alignment of things before hooking it all back up. You can see the new drain ...
0
votes
1answer
122 views

Is it possible to use ABS cement to glue together THREADED ABS union fitting on P-trap for permanent connection?

Is it possible to use ABS cement for threaded ABS union fitting on P-trap for permanent connection? Or it won't be secure enough even if it glued together with cement? Or need to actually replace with ...
0
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0answers
48 views

Sink drain piping, smelly and trap isn't dry

I recently installed a new sink and had to redo all the drain pipes. There is a pretty bad sewer gas smell coming from the drain. It is a kitchen sink so it gets used frequently. I checked the trap ...
1
vote
1answer
70 views

How can I get the sink trap to clear the drawer under my bathroom sink?

Is there a better solution to a P-Trap? We have installed a new vanity only to find that the drawer contacts the p-trap. The vanity has 3 drawers. The top one is built in a "u-shape" and ...
1
vote
2answers
440 views

Drain making dripping sound after sink drains. No leaks

Does anyone have an idea why after I turn off the water in my newly installed vanity, it begins making a dripping noise for approximately 5-15 seconds. It's only a few drips honestly but none of the ...
2
votes
1answer
136 views

What's the maximum allowable height between a shower drain and the trap?

Is there a maximum height from my shower drain to the top of the trap (the length of the tailpipe)? I am aware after the trap there must be a 1/4" per ft slope and the vent must be within 60"...
0
votes
1answer
88 views

p-trap installation by newbie: cement cure time

I was installing a new p-trap under the kitchen sink: Attached tailpiece to the sink no problem. Then I prepared a short piece of 1 1/2" ABS pipe, put a plumbing cement on it, inserted one end ...
0
votes
1answer
70 views

apply plumbing cement on p-trap

Is it mandatory/recommended to apply cement on all threaded parts of a P-trap. I need to install a new one, and am wondering if I also need to get a plumbing cement. Also, if I purchase a P-trap with ...
0
votes
2answers
180 views

How to make the P-Trap sloped

I am remodeling my kitchen, and am completely redoing the drain system because I have to move it over. I am looking online, and it seems that the part after the P trap to the vertical part of the ...
0
votes
0answers
47 views

Can the dishwasher inlet on the tailpipe be lower than the drain's exit in the wall?

I'm installing a new dishwasher and there is very little vertical space between the bottom of the sink and the drain exit through the wall. I need to squeeze in a dishwasher tailpipe, but as things ...
0
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0answers
42 views

Water leaking from sink trap

This weekend I replaced a drain stopper and all the hardware down to the p-trap, keeping those parts original. After connecting everything I ran the water for about 10-15 minutes while I cleaned up. ...
2
votes
1answer
60 views

Can I add a sink drain to a stack serving the floor above?

A local plumbing company (big name) said that anything draining from upstairs would suck my p-trap dry. I asked about the mechanical vents, and he said it would not work. He went on to tell me that ...
1
vote
1answer
81 views

Could this trap be siphoning?

I've attached a picture of the trap for my washer. The closet that this is in smells like septic tank gas so I assume it is leaking out of the standpipe. I haven't seen this type of trap before and I'...
2
votes
1answer
56 views

Can I make my own p-trap

I am doing some plumbing in a country where p-traps for showers are not readily available. The local option is not viable for me, and ordering p-traps online would take some time. Is there any reason ...
0
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0answers
109 views

Why is this Ptrap installed in this location?

Here is a recent installation done to my home I took this one before i drained the water: Note that this a p-trap that is installed at the external wall of my house. It would be in line with the p-...
2
votes
1answer
81 views

Question about drain trap - limited space in cabinet

I am finishing my basement bathroom and have run in to a drain spacing issue in my vanity. The PVC coming out of the wall is 20" off the floor. The bottom of the vanity cabinet is 18" off the floor, ...
1
vote
1answer
129 views

Can I drain two clothes washers into a shared two-inch pipe?

I am installing a second washing machine in a different part of the house and want to connect the two washers to the same drain(2 inch pipe). The current washer is in the basement with basic setup of ...
1
vote
1answer
151 views

Pipe from wall too low to go into vanity

As you can see by the photo my pipe from the wall is too low to enter the back of the vanity. How can I fix this without cutting the drywall?
1
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0answers
374 views

Abs shower drain wtih 2 90° elbow to p-trap in shower drain

I am rebuilding shower, and i have a little issue with drain, I need to move it back and to left, the only way to do it as I figured it out it's to put 2 90° degree elbow together than in to p-trap,I ...
3
votes
2answers
104 views

Will this sink piping configuration result in standing water in the pipe?

I recently had a contractor put in a new sink and disposal along with the piping. The disposal tailpipe is just barely above the drain pipe, however the p trap doesn't go straight out. Is there a ...
0
votes
2answers
1k views

Drain trap leaking at compression joint

After finally resolving a leak at the connection of the wall tube to the stub out (see the brass waste adapter), I installed a new p-trap to resolve a leak connecting the j-bend to the wall tube. ...
2
votes
2answers
2k views

Attaching new drain trap to a galvanized stub out

I am replacing a vanity in my bathroom. The brass p-trap from the old sink was connected to the galvanized stub out as seen below. While there haven't been any leaks that I'm aware of, the slip nut ...
2
votes
1answer
189 views

Connecting standpipe to 1 1/2" brass waste pipe?

I am remodeling a 100-year-old house, adding plumbing for a washing machine and condensing dryer. I'm installing the washing machine and dryer in the basement. In the location where I want it to go, ...
3
votes
1answer
684 views

New sink drain not aligned with trap

Just had a new sink installed in my bathroom and the drain hole on this new sink is centered compared to my old sink which was off center and further back. When I look underneath the sink the P trap ...
3
votes
1answer
104 views

Is it ok that my laundry drain trap is tilted?

I'm working on the drain for my laundry, and there isn't enough space to fit a vertical drain pipe above the P trap.+ Is the vertical pipe coming in being slightly offset going to be an issue with the ...
0
votes
1answer
588 views

Clean-out plug in p-trap won't screw back on

I had to remove the clean-out plug of a sink P-trap to clear a clog. Underneath, there was hardened sediment that I had to break apart with a small knife. Now that I have the drain cleared, the clean-...
0
votes
0answers
106 views

How to remove old p-trap clean-out plug

I have a slow draining bathroom sink that backs up into my bathtub and vice versa. I have removed what I thought was the clean-out plug, but there is move metal beneath. Maybe I only removed the ...
1
vote
2answers
791 views

How to repair shower p-trap

The P-trap in our master shower has apparently broken. We were getting a sewer gas smell coming out of it when we used the guest shower so we had a plumber come out and have a look. He did a "smoke ...
0
votes
1answer
472 views

Installing drain saddle for Reverse Osmosis (RO) system in brass metal pipes

I am trying to install a reverse osmosis RO system under the kitchen sink. The pipes are all metal (brass, I suppose but not sure). where can I install the drain saddle? The instructions with the RO ...
3
votes
2answers
2k views

Venting a double kitchen sink (converting from an S trap to a P trap with AAV in a tight space)

I'm replacing my double kitchen sink and replacing an S trap with a P trap. There is no vent nearby that I can tie into easily, so I'm going with an under sink AAV. Issue is, I don't have much space ...
9
votes
6answers
10k views

Is my sink P-trap too low?

Just put a new sink in and was not lucky enough to have the plumbing line up. I have it roughed in and wanted some insight/opinions on whether this will work, or what I need to do to fix it. I have a ...
2
votes
3answers
2k views

Can a plumbing vent start in the horizontal where it connects to drain line?

I'm laying out my shower drain and it initially was going to look like this: Fairly straightforward. Shower into p-trap, vent coming out of top of drain line over to wall to be vented, all connected ...