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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.

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1answer
35 views

Best way to split an existing drain pipe

I am trying to tie in a new kitchen sink into an existing drain pipe currently servicing a bathroom on the other side of the wall. Here's the conceptual schematic of what I am trying to achieve: And ...
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1answer
28 views

Tankless water heater plumbing: neutralized condensate and pressure relief valve

Hello recently my old 50gal gas water heater developed a crack and started leaking. I replaced it with a tank-less gas heater. Everything is good, I installed the proper intake an exhaust with 3in ...
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2answers
32 views

Will I have a code problem attaching a 1.5“ grease interceptor to a 4” drain pipe?

I want to install a grease interceptor in my house. The problem is that it will not fit under the sink, so I plan to put it in the basement. The problem is that the sink, laundry and dishwasher all ...
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2answers
32 views

Bathtub Drain leakage - recurring failures

I have had recurring problems with a bathtub drain leaking. After soaking the ceiling below the problem is noticed, and each time reapplying putty to the drain, seems to solve the problem. ...
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1answer
27 views

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 ...
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1answer
43 views

How do I remove the connected **plunger** of a bathtub linkage assembly that won't fit through the opening?

I have a trip lever mechanism on my old tub and want to replace it because the water stop lever is faulty and the tub drains and leaks slowly. I removed the cover plate from the overflow opening and ...
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2answers
37 views

How to unclog cast iron T drain for three sinks

I have a common drain for three sinks the clogs 1-2x per year. All three sinks back up at the same time and slowly drain. Total distance between sinks is about 25ft. I suspect that the sinks share a ...
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0answers
28 views

Leaking Shower Floor: Shouldn't there be a liner here?

I'm trying to find out what's wrong with a leaking shower floor in the basement. Having eliminated all the surface possibilities, I removed the drain and hammered out the floor to examine the drain ...
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2answers
64 views

Tailpiece not aligning with trap

I am putting in two drains in my bathroom vanity. The tailpiece is 1 ¼" and the drain outlet is 1 ½". In both drains, the trap is touching the white shelf in the vanity, so I can't lower that without ...
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2answers
47 views

Care and feeding of a long kitchen drain?

My kitchen sink has a garbage disposal, and its drain crosses the entire house within the height of the first floor joists. With 9 1/2" joists, that's at most 7" drop over 23', or a hair over the ...
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2answers
68 views

How can I locate the drain plumbing in my old house?

I don't have plans for the house. I have had a plumber here but he's dug and he didn't find the pipes. We have had every kind leak imaginable for months. Now it's coming in under the concrete and ...
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0answers
15 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
27 views

Can I use fiberglass shower drain for tile base?

I pulled out my fiberglass shower enclosure and replace with a tile base. I only found this drain in stock Is it OK just to use that? This is basement shower and concrete foundation. So basically I ...
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2answers
38 views

How to disassemble a pop-up trip lever drain in tub?

My tub has a pop-up trip lever drain like this: My tub is clogged; the water drains but very slowly. I tried to use an auger to clean it out but can't get past the spring. How do I disassemble the ...
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0answers
30 views

Nice way to cover vent and drain after removing washer dryer

We have moved out washer and dryer upstair. But the basement bathroom still has all the vent and drain holes. What is the best way to cover or make things look nice (beside drywall over)? UPDATE 1 ...
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1answer
85 views

Cutting a 2" hole through a load-bearing 2x4 stud for a washing machine drain?

Some previous owner of our house moved the washer/dryer to the second floor, but made some pretty dubious decisions when doing so: I'm preparing to patch the paster, skim-coat, and paint, so I need ...
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0answers
37 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
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0answers
21 views

Washing machine causing drainage issues in a mobile home

When the washing machine drains it causes bubbling in the toilet,and creates slow drainage from other areas of home,sometimes causing a backup later on..a plumber snaked septic line 49 ft .and felt a ...
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7answers
3k views

slow draining bathtub - is a frozen pipe a possibility?

Our bathtub has recently started draining very slowly (bathtub fills with water during a normal shower and takes a while to completely empty). This problem has coincided with winter, and I'm wondering ...
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0answers
9 views

maytag dishwasher mdb7749sbw3 won't drain at end of cycle auto

i can make it empty by manually pressing drain key pad, but only after it cools a while. 1 hour. It also has a new replacement touch pad assembly. All lines r clean.
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1answer
30 views

How to clean Pool main drain

New to this; I have used vinegar overnight, baking soda, a pumice stone, still it will not budge. I tried muriatic acid via watering can direct on it, 1:10 parts water, still nothing, then 5:10 ...
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1answer
18 views

Minimum Size of First 90 Degree Fitting Downstream of a Sink

The Building code for Wisconsin states this: The minimum radius for the first 90° fitting downstream from a trap serving a lavatory or sink shall be 1-3/4" for drain piping 1-1/2" in diameter. ...
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2answers
48 views

Help With Washer Drain Pipe

I have to install a washer on the second floor of a new home we purchased. I'm comfortable with the water lines, but I'm not 100% clear on the drain line and don't want to make a mistake. There's an ...
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1answer
51 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
31 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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2answers
53 views

Drain plug or nut in basement hidden in drywall

I have two houses that have different drain plug / nut design in the basement. House 1 has the plug all the way inside drywall like this: Do I suppose to drywall over and hide it? Or do I install ...
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0answers
13 views

New faucet drain connection to existing pvc trap

Let me preface this by saying I am a novice at plumbing. I am replacing a bathroom faucet since the old one was leaking and instead of replacing the guts inside the faucet we decided to replace the ...
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2answers
53 views

Faint sewer smell in highrise bathroom during high winds in one direction?

I rent an apartment in a highrise, and often smell a faint sewage smell when there are high north-westerly winds with gusts. Following suggestions on a past Stack Exchange posting, I did the simple ...
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3answers
58 views

Kitchen sink drain occasionally clogs at junction 40 feet downstream from disposal

It doesn't take all that much for the drain to get backed up. We do OK by letting virtually no food particles down the sink, but invariably it backs up now and again, particularly when we're hosting. ...
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0answers
36 views

Basement drain not flush with flooring and old rusted drain

We are putting in flooring in our laundry room that is located in the basement. The old cast iron cover was removed and we are looking for the best option. We could put a new plastic cover on, but it ...
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0answers
28 views

How do I connect an IKEA 1.25“ P-Trap tube to 1.5” MPT nipple in a cast-iron hub?

I'm attempting to re-install an IKEA bathroom vanity with deep drawers. It's very similar to this installation. My problem is that there isn't enough space between the drawer and the existing ...
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1answer
47 views

How to remove bathtub drain flange with nubs?

I have a non-standard bathtub drain flange that I'd like to replace (and also clean up the rust) that has a pair of interior nubs. The drain is 1.75 inches in diameter, and the nubs sit about 0.5 ...
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0answers
92 views

Sink drain slip joints leaking

I'm trying to install drain plumbing under my sink, and I can't seem to stop the slip joints from leaking. Here's what I have right now (see picture): coming from the wall is a white plastic fitting ...
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1answer
81 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 ...
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3answers
159 views

Leaky drain, round 2: Trap joint won't stop leaking

I've just replaced the trap on a sink drain, and I can't get the replacement to stop leaking. The leak is coming from the where the trap connects to the wall stub (circled in the picture). There is ...
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1answer
33 views

How can I remove my sink drain?

I'm trying to replace the second of two sink drains. The first went smoothly, but I'm stymied by the second, which is of course a completely different product. I have the trap off and everything ...
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1answer
84 views

Why is it unwise to use a Drain King to unclog a toilet?

On its website, Consumer Reports has posted a review and comparison of drain-cleaning products (PDF). The article is about ten years old, but it's free even for non-subscribers. Out of all the ...
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1answer
123 views

Dishwasher drain pump and circuitry diagnostics

Dishwasher is not draining. Error code "d02" on display on start of cycle. No sound from the drain pump. Has lived and operated near Paris for some years, with hard water. "pompe de vidange" - French ...
2
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1answer
232 views

How should I run a sink drain around a corner in my basement walls?

I have a bathroom vanity on the wall about 3 feet from where I want to put a bar sink. Is there a way to run the plumbing around this corner? I still need to put a couple studs on the corner for ...
2
votes
1answer
78 views

Can I add a wye fitting to this cast-iron drain stack?

I recently leased a warehouse space in which I am trying to add a shower to a current half bath. There is a mini basement right below the bathroom which contains the plumbing. Attached is a photo of ...
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2answers
83 views

No loop to hang dish washer drain hose higher

This is behind my dish washer and the drain hose has been like that for awhile (by laying flat on the ground): I believe it should be hang up to make a loop on top, right? But there is no where to ...
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2answers
304 views

Garbage disposal drain is slightly higher than drain pipe

I bought an old house and this is the old kitchen drain setup: Frankly I never "tested" it before I remodeled the kitchen completely. The old kitchen has drop-in sink and now mine is under-mount. ...
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1answer
75 views

Bathtub starts draining normally but then slows down

I have a bathtub in an upstairs master bathroom. I recently noticed (couple weeks ago) that when I go to drain the tub it starts draining like normal but then after about 5 seconds it slows down ...
6
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3answers
2k views

Is Liquid Plumr or Drano safe to use with a septic system?

Just as the title asks, is it safe to use products like Liquid Plumr or Drano in a Septic system?
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1answer
180 views

Why is my kitchen island sink gurgling when my dishwasher is draining?

I noticed a few days ago that, whenever my dishwasher is draining, the sink in my kitchen island gurgles (glug, glug, glug). I THINK that the sink connects to the main kitchen sink drain underneath ...
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1answer
65 views

Is is okay to run 4" PVC drain pipe on the outside of a house?

I have to run 4" drain pipe for the washer that is on the second floor, but, the building being old and all, I wouldn't want to rip the floors, instead, I was thinking of running the drain on the ...
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2answers
83 views

Sink Drainage Configuration [closed]

I have a double sink, garbage Disposal & dishwasher. There must be a better way. How I can modify this to make it better?
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1answer
42 views

Strategy for replacing leaky tub trap

I have a leak in the trap underneath my bathtub. Specifically, the leak is happening at the union nut of the trap (see red circle in picture). I have confirmed that the nut at the union does not ...
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0answers
50 views

When I drain my tub, the P-trap in the sink is emptied

I recently had a basement bathroom finished by a contractor. I'm noticing a problem when the tub drains. First off, the tub drains super fast, I was initially impressed, as I've never seen a tub ...
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2answers
41 views

Remove garbage disposal piece in bottom of sink

I am replacing a new sink in my kitchen and this piece is from the garbage disposal Do I just break the glue / putty free and pull it out?