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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California Code requirements for a low flow toilet

When calculating drain pipe sizing for a bathroom addition, what is the fixture value for a low flow toilet? When reading the code, I see 3 one place and 6 in another. Is the points value of a low ...
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1answer
51 views

Toilet flushes, bowl fill then drains

Toilet was installed less then a year ago and has been working fine. All of a sudden, when I flush the bowl fills almost completely. It then drains slowly and almost completely. It takes maybe a ...
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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 ...
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1answer
50 views

Increase drain size?

My kitchen sink has a good size drain pipe heading into the basement and out: And what I assume is a pretty normal connection from the drain to the sink: But when you look at the drain in the sink, ...
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1answer
37 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 ...
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2answers
63 views

How to do sink plumbing in the basement?

We are working on finishing our basement. We have this area that is perfect for a fridge/counter and maybe a sink. I'm thinking of leaving space for a fridge on the left, then some cabinet/countertop....
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3answers
103 views

What are steps to take to resolve a frequently clogging toilet?

Here's the situation: Conventional toilet flushes liquids with some TP just fine. Everything works and looks exactly as expected. It flushes effectively with a nice swirl. But when someone makes ...
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1answer
83 views

How to open this drainage cap?

Just moved into a new house and had a new washer and dryer delivered today. When they installed them, they said they couldn't complete the washer install due to this cap on the drainage pipe. They ...
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83 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 ...
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2answers
99 views

Can I run a washer hose up and over a door?

Currently my washer is on one wall next to a standing drainpipe and blocks access to an exterior door. I would like to move the washer to the exterior wall, next to the dryer, but that would require ...
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1answer
260 views

Drain pipe through floor joist

I'm moving my sink. And I have to run my drain pipe through my floor joist or cabinets. My floor joist are 2×8's. Can I run a 2 inch pipe through them. And if i did run them through my joist would it ...
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2answers
369 views

Is this horizontal drain pipe under kitchen sink a problem?

My double kitchen sink drains into a 2” white plastic DWV pipe that traverses approximately 4-5’ of distance without any slope at all. I used a level to confirm my visual observation: there is indeed ...
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2answers
28 views

How to clean a drain in a refrigerator?

We have an old Kenmore fridge/freezer combo. It is slowly leaking water into the bottom of the fridge which is below the freezer. After doing some research we think its likely because of a clogged ...
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59 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 ...
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2answers
40 views

What things to watch for when installing sewer line in the basement under 15" concrete slab

I am going through a major renovation in my house which involves excavating 7'6" basement and pouring seismically strong 15" slab as a floor. The house is pretty high on the hill and ...
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1answer
95 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 ...
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57 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 ...
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1answer
34 views

How to fix when water is not sinking from bathroom and balcony?

It's my first question on this site, even though I have toured it but still if my question is not to the conventions of this site please let me know and I shall try to improve it. I live on the 3rd ...
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1answer
92 views

How can I convert this cast-iron cleanout to a proper air-gapped drain?

My house's water softener and salt tank overflow currently drain through what appears to be a drilled-out cast iron cleanout cap in the basement, close to where the sewer line exits the house. This ...
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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, ...
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1answer
538 views

Do I need plumber putty or would the already existing rubber gasket seal this sink leak if installed properly?

I had working kitchen sink until today when I had to remove and reattach sink garbage disposal. I am trying to figure out what is the quickest, but still acceptable solution to fix the leak that I ...
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31 views

Is it a problem that the water in my sump pail covers one of the drain openings without tripping the pump float?

We just had a sump pump & trenched drain pipe installed in our basement. Rained all last night. Crock had filled above one of the drain pipe inlets. I manually activated the pump & it emptied ...
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1answer
50 views

Top loader washing machine fill valve drips continuously

I have a top loader washing machine. When it's done washing it keeps dripping from the top fill valve, where the water fills up the drum.
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1answer
45 views

What was the purpose of this drain outlet and I would it be OK to floor over?

Removed basement bathroom tiles and found a drain outlet which was tiled over. This bathroom is in the basement where we are adding laminate flooring. Was wondering why it is there and if it would be ...
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3answers
62 views

Seal a backup drain from sewer gas?

I want to install a backup drain for a bathroom where there might be overflow onto the floor. The problem is how to seal that drain against sewer gas. The usual P-trap cannot be used because the drain ...
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0answers
25 views

Drain Hose - Reverse Water Pressure in Standby

I have 5 drain hoses from various appliances (dishwasher, laundry washer, AC condensate, water softener, water filter) that all have the standard regulated air gap to a sink. I imagine drain pumps on ...
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3answers
80 views

What is this double-drain piece called?

My basement sink is a two-tub sink with each basin's drains as close to each other as they can be. Below is a picture of the actual drain piece beneath the sink - it is an integrated two-in-one drain, ...
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2answers
147 views

Can the kitchen sink waste pipe run from where it comes out of the concrete slab to the sink by running horizontally under the cabinet floor?

We are converting a peninsula into an island and need to move the kitchen sink. As a result the waste pipe in the concrete slab comes out in the front (see photos) instead of the back. We don't want ...
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13 views

Horizontal distance between drain pipe and meter base

I have a 3" cast iron toilet drain pipe that runs vertically inside the wall from a second floor bath down to the main drain under the house. I am putting a two gang meter base (it's a duplex) ...
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1answer
51 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 ...
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2answers
3k views

Can anyone tell me what kind of drain this is?

I found this drain in my basement in the middle of a raised rectangle of concrete. Its supposed to be for a shower the previous owner installed. I have never seen this drain type. Looking for answers ...
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1answer
50 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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1answer
41 views

Is there any way to drill through minerall wool in order to install a pvc pipe?

This is related to this question What type of pipe should I used to build a gravity drain from my furnace to the bathroom plumbing? I am building the red pipe in the below picture, This is the condese ...
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2answers
88 views

Ice maker to sump pump has water run back into it, any ideas for a fix?

My ice maker has a gravity drain that it says to connect to the sink drain. All works well except if I run the faucet for a while eventually water will back up into the ice maker. I believe the issue ...
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1answer
95 views

How would I connect rigid pvc to a flexible hose for a drain

I've got two pvc drain pipes in our basement that I'd like to route to the drain. Right now they're pouring out on the floor which is not great. The large pipe says it's a 2 inch pvc pipe (though I ...
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1answer
75 views

Consequences of gutter water collecting in corrugated drain pipe

This is a follow-up question to Sloping ditch for corrugated pipe The water coming down the gutter drain has a nominal velocity and will collect and transfer to an 80 ft run of corrugated pipe (to be ...
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17 views

Help cleaning Geberit turncontrol drain

I'm trying to clean the drain on the bathtub, but I'm not sure how to detach it, mainly I'm not quite sure what is the model. It looks a lot like Geberit 151.550, but it's a little bit different. I ...
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57 views

How to replace threaded metal shower drain?

After removing a leaking shower base in a house built in the 1980s, I ran into this threaded metal sewer end with what appears to be plastic inside. I was able to un-thread the old metal shower drain ...
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0answers
50 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 ...
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1answer
32 views

Replacing the popup tub drain plug

The drain plug I had broke and I decided to change it. The problem is that no matter how hard I tried, I just couldn't remove the broken one. You can even see that I managed to break one part of it ...
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0answers
32 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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1answer
134 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 ...
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1answer
129 views

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 ...
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1answer
34 views

How can a non-working corroded tub plunger with a broken linkage assembly in the open position be fixed?

I’ve read the helpful advice on bathtub plungers stuck in the closed position. However, I have a bathtub plunger stuck in the open position. The trip assembly has come away leaving the plunger in ...
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2answers
946 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 ...
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3answers
129 views

How can I shorten ABS pipe to move a drain trap?

What’s the right way to shorten an abs pipe. I’d like to move my basement sink over 3 inches to make room for a wall. Should I simply cut a chunk out of the Horizontal pipe and join the ends with a ...
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1answer
60 views

Bike cable type drain stuck down

My bath has a drain that seems to be cable-operated (like bike brakes) and is currently stuck down. Like usually you turn the 'too much water' knob to release, but now it just does nothing. The ...
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1answer
774 views

Can't remove twist-style / turn-style / knob cap on overflow drain in tub

I have an American Standard brand tub with jets. Its drain has a pop-up stopper, and the stopper is controlled not by a lever, but by one of these twist-style knobs, placed over the overflow drain. I ...
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0answers
31 views

What type of plug do I need for this bathtub drain?

I recently bought a new house and I'm having issues plugging my bathtub drain. The drain appears to be designed for a pop up plug of some kind, which is missing. I'm not sure what make or model the ...
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1answer
28 views

Clogged downspout pipe

My downspout, next to a stucco wall, used to go into a cast iron pipe. Recently, the water must have gotten behind the stucco and in the winter, the stucco wall collapsed, pushed the downspout out of ...

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