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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Getting lint out of a 2 inch drain

I have a 2 inch drain that serves both a sink and combination washer/dryer. It has a near horizontal section and a couple of 90 degree elbows, and I fear that that section is filling with a toxic ...
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2 answers
59 views

How do I get my deck to drain into the gutter instead of dripping?

I have a metal pergola with slated roof. When it rains moderately the water from the slats falls directly down instead of draining into the gutter. looking for some solution to fix this so all water ...
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2 answers
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A/C Evaporator Coil - Water dripping from unknown fitting

I noticed some water dripping from my A/C's secondary condensate drain. The primary condensate drain line still has what seems like a normal flow of water coming from it, so I don't think it is ...
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3 votes
2 answers
1k views

Yard floods - will replacing a floway drain with a rainwater drain resolve this

My yard is flooding! It has floway pit that connects directly to a 90deg PVC bend, then that connects to the storm water pipe via another 90deg bend. So there are two 90 deg bends in the span of 500mm....
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5 votes
1 answer
76 views

Can I remove the Bottle Trap if I already have a P Trap?

I recently moved into a new flat and it has 2 sinks that are plumbed as such: As far as I understand, both the Bottle Trap and the P Trap serve the same purpose, so in this case the Bottle Trap is ...
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14 votes
1 answer
2k views

Why would a P-Trap be required before an air gap for a refrigerator drain?

Background: A walk-in refrigerator with a remote refrigeration system includes an evaporator coil that requires a drain. The typical installation is an indirect drain (terminating above a funnel drain ...
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1 vote
1 answer
34 views

Sink basket drain no luck nut stuck

Trying to install a garbage disposal and first step is removing the current flange. This one doesn't have the lock nut that so many videos show. Was able to remove all the hardware but now am unable ...
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4 votes
0 answers
47 views

Shower drain leaking from the ground

So my grandpa ran into a plumbing issue today and I'm suspicious it's pretty bad. He's the kind of guy that just want to ghetto rig everything. I'm a plumbers apprentice so I said all this crap isn't ...
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Ok to use dishwasher connector for A/C condensate line?

Shown is an A/C condensate line from the floor above, that is connected to a cast iron stack via some method that probably isn't play dough but definitely isn't correct. The whole stack is being ...
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1 vote
1 answer
73 views

How can I temporarily plug a toilet drain?

I want to temporarily seal a toilet drain so that I can fill and soak the bowl with a solution of hydrochloric acid to remove mineral scale. The seal has to be water-tight so that the solution can ...
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Main AC drain Clogged

Main drain is clogged since secondary line is in use. Is this my main drain line? It goes into the ground and my guess it’s connected to an underground French drain.
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Safely detaching 4" HDPE triplewall drainage pipe from a PVC elbow that's attached together with something

I have a French drain behind a retaining wall, which is connected to a 45 degree joint and then a drain pipe (blue arrow). Due to soil erosion, the wall has shifted and that bent the drain pipe. I ...
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Sewer smell from floor drain

i have a small drain built into the ground, and once in a while at random times, it smells like sewers. The smell also stops after a random amount of time. It can go some days without smell, and the ...
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Can’t remove bucket from trip-lever drain stopper

The trip-lever connection broke (old age I assume) and I was able to use helpful suggestions from this forum to grab the bucket with a coat hanger. I can pull it up enough to grab the rod attached to ...
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5 votes
2 answers
367 views

What is this coming off the drainpipe near the p trap?

A small repair is going on, but what is this other pipe coming off the drain pipe near the p-trap?
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Direct Drive Washer is going into spin cycle and then into neutrAl drain

I have a 30 year old Kitchen Aid Direct Drive Washer. I recently replaced the Neutral Drain Pack. I also replaced the oil with 80w- 90 gear oil. All functions work well except the machine goes ...
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Can washer / dryer waste water be routed into a shower drain?

An office is to have a washer / dryer installed. Options include installing washer: next to water heater by removing shower stall and replacing with heater The latter has the advantage because the ...
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Garage drain isn't draining, how can I figure out where it ends?

My house is a 1977 ranch with double garage underneath and it has septic tanks. A round drain in the garage seems to go to the left as that's where the vacuum hose goes when I put it in the drain, but ...
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Connecting HVAC Condensate Line Directly To Sewer

I am trying to figure out if I can get rid of my HVAC condensate pump. It looks like I can attach the P-Trapped condensate line to another P-trap line but can I connect it directly to the sewer line ...
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1 answer
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Kitchen sink drain fittings

Hi guys i have a problem got a new sink and drain does not line up so had to cut back the P-trap. The drain coming from the wall is so close i didnt want to cut it. How can i reuse this fitting or ...
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5 votes
2 answers
1k views

Why can't I find a cleanout plug to fit my drain pipe?

Trying to cap a water line that connects to my sewage out line. I purchased a cleanout adapter with cap in 2" and 3" and one is too big and one is too small. I think I need a 2-1/2" ...
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0 votes
2 answers
113 views

Gap between sink drain and trap

I'm hoping someone can help me! I noticed the water was a bit slow draining from the bathroom sink, so thought I'd try my hand at fixing it myself as I'm working from home at the mo. Found suggestions ...
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1 vote
2 answers
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Can i raise the drain entrance with a 90 degree bend inside the wall?

I want to raise the entrance into the wall for this vanity drain. I would put a 90 degree bend in the wall exactly where you see the existing pipe and run about 10" vertical and come out up there ...
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0 votes
2 answers
64 views

Unclogging sink drain with plastic pipe using snake

I am interested in a snake tool for unclogging pipes, but I want to be able to use it for a sink that does not have steel drain pipe but plastic. Is a snake safe to use for such pipes? Or what would ...
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1 answer
27 views

Washing machine drain hose maximum length

I am moving washing machine 6 ft from its current position. Do I have to relocate the drain or can I simply get a longer drain hose and run it inside the wall to the existing drain position?
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1 vote
1 answer
104 views

Can a corroded kitchen drain pipe stub going in wall be unscrewed? Is it just a nipple?

My galvanized kitchen sink drain pipe is in a plaster wall behind a wood cabinet. The stub coming out of the wall into the cabinet is corroded (right at the wall) and the bottom of the stub (that I ...
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2 votes
0 answers
39 views

Can I keep the old Kerdi drain flange when rebuilding a shower?

My 1 yr old shower built by the contractor started leaking like a sieve. In my efforts to remedy the problem, I ended up demolishing the whole thing to the stud while throwing out moldy drywall and ...
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Reverse Osmosis Drain Valve - Best Location in Single Drain Sink?

My sink only has one drain that connects directly to the garbage disposal, and the Reverse Osmosis drain valve installation doesn't have any recommendations for this setup. Would the circled area (...
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1 vote
0 answers
39 views

Bathtub won’t drain

The tub was draining perfectly until I pulled a little hair from the drain. Now the bucket system in my very old tub, wont stay down. I pulled it, soaked it in CLR and greased it but now the lever won’...
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1 vote
1 answer
68 views

Clearing a blockage on the other side of the u-bend of an outside drain?

We have a blocked drain in our garden. I've had my arm down it and part way round the u-bend, pulling out a ton of crap, but it's still blocked. It looks like this in cross section (forgive the ...
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0 votes
3 answers
52 views

How to automatically disinfect a floor drain? UV Light?

I have a floor drain in a utility room that gets a fair amount of water from water softener brine backwash and dehumidifier. I believe mold is growing in that drain. I've bleached it out but that hasn'...
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1 vote
3 answers
64 views

Coupling for 2 inch metal drain pipe

The kitchen drain pipe cracked in my old house so I decided to cut and replace with PVC. Unfortunately the effective diameter of the pipe is about 2.5 inches which is slightly bigger than 2.4 inches ...
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3 answers
119 views

Why is the slip nut to the left in the picture needed?

So if your behind the wall pipe is 1 1/2" ABS and out of the wall you get female end of a 90 elbow, is the above mentioned slip nut required ? Can't I just cement the horizontal segment in the ...
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15 votes
4 answers
4k views

French Drain: Why do I need 3" of rock bedding beneath the pipe?

I'm having issues with a leaky basement in the Portland area. There's dirt, mud, and vegetation outside of my foundation wall, and it's absorbing lots of rainwater. 4 feet of it is inside my property ...
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0 answers
39 views

Removing/replacing Drain stub out corroded

I'm replacing a sink drain in a house originally built in the early 1940s. Under the house is cast iron drains. I have this stub out that is corroded to the point that a rubber boot union cannot ...
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1 answer
101 views

How to handle 2 hoses going into 1 standpipe

I have a tiny sink in the basement with a hot/cold faucet and a standpipe, for our clothes washer. Got a new washer, and I'm having problems figuring how to attach everything up: The attachment I ...
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can I right turn the p trap?

I am putting a shower where I have to take a right turn (because of the distance between the p-trap and drain pipe is very small I had to take a right turn) on the top of the p trap to tie into the ...
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1 vote
1 answer
74 views

Is this a drain, trap, or something else?

I removed a cabinet sink in my bathroom, and found this cover/hole underneath. What is it? Is it some old drain, a trap, or something else? I did not want to take the cover completely off until I ...
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0 votes
2 answers
72 views

How to frame wall for a long drain plumbing

UPDATE 1: Added pic for my "idea" I am building a new office structure inside my warehouse. The structure is 10'x30' and one side is against the existing wall. The other side is next to a ...
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2 votes
2 answers
85 views

How should I plumb this sink drain?

My son bought a 100 year old house with a small bathroom. It has been renovated within the last 6 years but the previous owners installed a cabinet-mounted sink that takes up a lot of room. He would ...
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0 votes
1 answer
36 views

Specifications on the perimeter drain

Recently, due to either geologic movement or erosion, my home has developed a few "bathtubs" around the foundation where water tends to roll toward the house. I'm curious to add a perimeter ...
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2 votes
0 answers
462 views

Can you run two toilets on the same horizontal soil/waste pipe?

I have a bathroom and toilet next door to eachother. Can I add a toilet in the bathroom using the soil pipe from the toilet next door? Current layout: Proposed layout: The existing soil pipe runs ...
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2 votes
2 answers
115 views

Appropriate under sink coupling

I recently detected a small leak coming from my bathroom sink. I started disassembling and found the pipe connecting the p-trap to the wall was only loosely fitted to the wall side of the connection. ...
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1 vote
0 answers
44 views

What does section 904.4 of the international plumbing code mean?

I'm trying to figure out where I'm supposed to install my main drain vent stack. I assumed it would be just above the toilet, but I'm confused by section 904.4 of the international plumbing code, ...
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0 votes
0 answers
14 views

Kitchen drain older copper metal steel replace put a new one in

I'm trying to remove a drain out of a sink it's the older one I don't think it's ever been replaced the actual centerpiece it's letting all the debris go down it needs to be taken out so what do I do ...
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0 votes
2 answers
119 views

What is the purpose of the higher pipe in my bathroom sink drain?

As title states, this sink drain in a bathroom has me confused as to the purpose of the higher set pipe above the trap. My assumption is that it's a vent, but I don't understand why it's here. I'm ...
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1 vote
2 answers
69 views

Removed the toilet from bathrom in effort to get closer to & remove a clog. How do I determine if the clog is gone without putting the toilet back on?

The story of a Friend, my plunger, his auger, and my toilet. A "doo doo" or don't do situation! Hi, an acquaintance was at my house helping me with a clogged toilet. He has more gusto then ...
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0 votes
1 answer
27 views

Remodeling basement: water, heating and drain pipes running in parallel?

The piping in our basement is arranged in a way that it is incompatible with our remodeling plans - and the drain pipe also looks quite shoddy, so it needs to go anyway. Also, due to a furnace upgrade,...
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1 vote
0 answers
18 views

Drain of kitchen sink on a 1/70 slope over 5 m - passive or active solutions

I am making a home improvement and want to route a kitchen drain of 40mm in an existing sleeve of 110mm diameter at approx. floor level over a straight run of 5 m. The best fall I can hope to get is ...
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0 votes
1 answer
20 views

Can sludge in septic tank prevent water from draining into the ground

I am just wondering whether sludge that settles at the bottom of the septic tank can block the water from draining(discharging) into the ground. If yes then what are the steps that we have to take to ...
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