Questions tagged [drain]

Use this tag for plumbing-related drains such as under sinks, including when something is clogged it is helpful to include this so it is clear it is a drain clog.

143 questions with no upvoted or accepted answers
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1answer
60 views

Does my new bathroom plumbing need a cleanout?

I am working on new plumbing for an addition we just built. Does anyone see any issues? Do I need a clean-out at the end of the run? I plan on using a 3" elbow in lieu of a combo to keep ...
3
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0answers
52 views

Would this be a proper way to run drain line for basement sink?

On the other side of my mechanical room's wall, we are putting in a small powder room. The sink is going to be on the wall below the boiler valves, which is represented by my awesome graphic. I was ...
3
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0answers
57 views

Dishwasher drainage problem

I recently got a "new" (used) dishwasher and have installed it myself. It is a Frigidaire Ultra Quiet iii. There is a problem with it draining water. Here is what the setup looks like: The ...
3
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2answers
810 views

Do I need to angle/pitch pex tubing for draining in the winter?

I've never installed any plumbing before, but I'm going to try to install an outside faucet/sillcock because it seems fairly simple. The only interesting part is that the pex tubing will be run under ...
2
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0answers
72 views

What is the right way to plumb bathroom drainage across small joists?

Finished the demo part of the bathroom remodel to find pretty significant damage to the floor joists caused by the original builder's "design" (see photos/video). Setting aside how I'm going ...
2
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0answers
74 views

What is this strange plumbing on my sump pump drain?

From documentation left with our house we know that our sump pump used to empty into the sanitary sewer. In the early 90’s the home owners took advantage of a city grant that paid for moving the drain ...
2
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1answer
56 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 ...
2
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0answers
76 views

Shower drain line with many curves?

I want to replace a tub with a shower, and the location where I'd like to put the drain has a 2" drain pipe (for the clothes washing machine) that runs very close to where I want to put the drain. So ...
2
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0answers
102 views

How to connect bathtub drain pipe to existing floor drain?

I have this floor drain and I want to connect it to a bathtub drain so basically another pipe. The diameter is about 40mm of the narrower pipe, although it has a thick border. It is most likely a ...
2
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0answers
60 views

Water softener standpipe question

I have a 1 1/2 inch standpipe coming off of a 2 inch drain pipe in my basement. The only thing before the stand pipe is the kitchen sink. And after the standpipe is a pipe coming down from the washing ...
2
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1answer
94 views

Can I use existing horizontal tub drain pipe as vent and add new vertical pipe to drain?

I have a bathtub that has horrible drainage and its because of an old galvanized horizontal pipe that connects to the stack. I cannot replace this pipe with PVC with a better slope without ...
2
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1answer
71 views

P trap for laundry

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 ...
2
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0answers
197 views

How to adjust tub water level with standing waste stopper?

I have an old tub with a standing waste stopper. When the drain is closed, if the water level gets too high, it automatically drains down to a fixed level. That level was 3/4 of the tub depth, until ...
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0answers
2k views

New bathroom double vanity. One sink runs the other backs up and drains slow

So when I run either sink for a minute the other fills and they both drain slow. Is it the trap height and/or a clog in the old line or something else. Noob here n looking for help. Thanks
2
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2answers
2k views

Using self leveling cement in basement bathroom around drain

Should you a use self leveling product over the slope towards a drain in the concrete floor in basement bathroom? We are wanting to install luxury vinyl plank in the bathroom and most sites say to ...
2
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0answers
4k views

What could be causing thumping in the wall when the bathroom shower, toilet, or sink are used?

I hear a thumping in the wall whenever the second floor bathroom shower, toilet, or sink are used (sound is similar to if you let the bottom of your fist fall against a sheetrock wall). It is 'almost' ...
2
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2answers
51 views

Basement moisture on foundation issues

After taking all sheet-rock down I noticed that all walls (cement block) siting under ground are moist. Some of them even ate through footers. After farther look at the house I found out that their is ...
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0answers
27 views

Water softener drain challenge - looking for expert advice

I'm replacing a 19 year old Ecowater water softener. The softener is in my basement and drains using 1/2" ID PVC that runs overhead about 45 feet before tapping into the main drain line at the ...
1
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1answer
46 views

Can I use a plastic basin positioned near joists to compensate the lack of slope in a ceiling condense drain?

Is this a design that is acceptable? Basically I am building a small box that will collect water pumped up by the condense drain. I will put this up in the ceiling in the furnace room just between the ...
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0answers
31 views

Is this wet venting solution ok?

I am completely redoing my basement bathroom and am wondering if this way of venting the plumbing is ok. From what I've seen, wet venting is the most money and time efficient way to do it, so I would ...
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2answers
98 views

What is this type of sink drain/plug called?

We recently moved into a condo, and the sinks have screw-in drain cover. We are trying to find a replacement drain cover that is able to close, but I can't figure out what the type of drain is called ...
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0answers
19 views

DIY Bathroom Addition Vent and Drain Questions

I am adding a bathroom addition and I need some advice on laying out the drains and vents. The new bathroom will be 8'x 15' and will be slab on grade. When the new septic system was installed a few ...
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0answers
17 views

Tub drain renovation

So I'm renovating an old, rusty tub to avoid replacing it. The drain and overflow valve were rusty and holes were made to remove them. So far, I've used Bondo to fill in gaps, which is working great....
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0answers
23 views

Code question about wye and 90 degree elbow

Can a 90 degree elbow be placed right next to a Wye? The toilet drains into main branch by a wye. It immediately goes into a 90 elbow to drop the main branch down to the sewer.
1
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1answer
59 views

How can I lower a sink trap to accommodate an appliance drain connection?

As shown in the picture below, I'd like to extend a U sink trap to receive drainage from an appliance. However if I replace the dip tube (marked as 1) with variant that has the extra input, the U trap ...
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1answer
38 views

Bathroom Remodel Drain/Vent Configuration

All, thank you in advance for the help. I am remodeling a bathroom and fall under IPC 2018 and was hoping that folks could look over the design below and let me know if this was code compliant and if ...
1
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1answer
67 views

Plumbing Setup for Basement Laundry

I am trying to remove some outdated, and possibly poorly laid out plumbing to create a new setup for a washer/dryer and sink. The current setup has a brass drain line a few feet above the ground and ...
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0answers
215 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 ...
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0answers
82 views

How to manually drain a free standing water tank (washing machine) into bucket(s)?

Since our washing machine's filter was clogged, I had to drain it manually via emergency drain. As the emergency drain is a very short (about 1 inch) and thin tube located about 1 inch from the floor,...
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1answer
106 views

Does a fixture connected directly to the ground stack (vented) need to be vented separately?

I'm adding a shower in the basement (there was a half-bathroom already) and the new drain is literally right by the stack (probably few feet away, 3-4' max), so I would think the air coming from the ...
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0answers
72 views

Air Lock in Trap?

It takes a while for this to drain. Am I getting an air or vapor lock condition due to the "S" shape used with this trap. I did this due to the shelf in the vanity.
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0answers
60 views

Tapping into existing 3/4“ supply and 3” drain to add washer

I understand there are a lot of variables to something like this, so I'm going to try to provide enough detail that people can at least understand the question here: I have a washer/dryer I'd like to ...
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0answers
91 views

How to tie interior crawlspace drain to outside discharge pipe?

I am installing an interior perimeter drain in a damp outbuilding crawl space. In the "literature" (YouTube) this kind of drain is commonly described but always with a pumped discharge (basin, pump, 1 ...
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0answers
39 views

shower drain not snug in mortar

Poured shower bed mortar around drain and sloped it properly. Drain is type that screws into base. The face of the drain is square. Now that the mortar is dry and I am ready to tile the shower floor I ...
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1answer
514 views

Is my plumbing drain/vent setup ok?

I'm new at plumbing, working on installing a master bath in our house. Pictured is the room with the shower pan in place, a vanity drawn where that will go and you can see the toilet flange sitting in ...
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0answers
305 views

How to adjust shower drain height after replacing shower base?

I just pulled out my shower base to replace with a completely new base. Now I have no idea if the height of this will fit: Few questions: How do I remove or cut this top piece? I assume (C) is the ...
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0answers
31 views

Basement has crack over a drain run no water leaking

I'm trying to figure out how concerned to be. Most of the basement has slate tile, but I tore out a kitchen, and discovered this crack running from the nearest wall, to the sink drain, and on across ...
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0answers
60 views

Are these bends in the tub drain going to be an issue?

Im getting ready to run the drain for my basement bathroom but I'm concerned that I have too many turns in the tub drain. I had to start in the wrong direction in order to pick up a wall for a vent. ...
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0answers
1k views

Never seen before tub overflow plate

Replacing all the tub trim including the overflow plate and drain trim. I cannot find an overflow plate like this that goes onto a threaded pipe without any screws.
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0answers
638 views

Bath tub stopper won't go down into “locked” position anymore

I took off the bathtub stopper and now, when I put it back down into the drain, it won't push down into the locked position! Gahhh.... Basically, the stopper will fit into the drain, but it's left ...
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0answers
595 views

Schluter®-KERDI-DRAIN hair catcher

I just had a Schluter®-KERDI-DRAIN installed in the shower. After a few weeks it's been working fine. Out of curiosity I unscrewed the grate to see the hair situation and only found a few clumps ...
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2answers
4k views

Water backing into dishwasher WITH new check valve and loop in place?

So this is really baffling... Our GE Profile dishwasher is having an issue with dirty water backing into it while it's off. We've had the dishwasher for years with no issues, it just recently started ...
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0answers
40 views

Determine the purpose of a particular stack

I'm removing a sink that's draining to a 2" PVC stack. However, it appears that there might be another sink or shower connected to the same stack. (I live in a odd-ball house with 3 bedrooms and 14 ...
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0answers
107 views

Ideas for sealing kitchen sink pvc pipe to bottom of strainer that sheared off (old)

Sink from at least the 60s, probably the late 30's. New kitchen relocation maybe in a year, but pipe seal burst at drain and when reattached new pvc nut it sheared off most of the bottom of strainer. ...
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0answers
143 views

Mystery: Water vanished from flooded basement with no floor drain

I live on a century old home whose unfinished basement got flooded this week. We had heavy rainfall which overwhelmed the city's storm sewer. At a certain point there were about two inches of water ...
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0answers
114 views

I'm trying to figure out how to fix the drain under the bathtub

My house was built 1974. I recently started a bathroom remodel. I have been fighting with getting the bathtub level and the problem was the drain and overflow assembly was keeping the tub from going ...
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0answers
210 views

How to fit 3 pipes into 1 laundry box drain?

I am trying to install an LG TwinWash washer + pedestal washer combo in a new 3-story townhome. Laundry room is on the 3rd floor. The 2-washer combo requires 2 drains. LG supplies a part to merge them ...
1
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1answer
101 views

Draining sediment out of my hot water heater

Trying to improve the odor of our well water, I’ve installed a whole house filter and a UV sterilizer (adding it to an existing water softener). Now, the cold water (still with a lot of iron) smells ...
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0answers
77 views

How do I replace this shower drain?

I guess this one is two questions: Can I replace this shower drain? Assuming I can, how do I go about doing it? Some background. We've just moved into an older property and are slowly fixing bits ...
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0answers
125 views

Where are vents required for bathroom drains?

Here is a diagram of the new drain plumbing we are installing for one and a half new bathrooms. Where should I locate any required vents on these lines? I live in Oakland County, MI and it looks they ...