Questions tagged [abs]

Acrylonitrile Butadiene Styrene (ABS) is a type of plastic pipe used most often in drains. It is usually black, which makes it easy to tell apart from PVC. Use with the [plumbing] and [drain] tags.

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Why did my plumber use a cast iron to plastic coupling in one location, but not in the other?

I just had a plumber repair my 4" waste line, which was cast iron. He replaced a 10' section with ABS. At the end that transitioned from ABS to Cast Iron he used a coupling specifically designed ...
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ABS drain pipe to sewage broke at elbow: how to replace

ABS drain pipe to sewage broke at this part. I fear I have to replace into the concrete. What would you do for a minimally invasive repair? Can I somehow keep the elbow piece? If not, how would you ...
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ABS pipe connection question

When installing a new tub, I need to move the drain about 3/4 inch. My current plan is to just add a reducer to the exposed pipe and then the p-trap. I have two concerns that I was hoping to get some ...
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What parts do I need for a bathroom sink trap?

I'm replacing the bathroom vanity cabinet, sink and countertop, located between two walls. Picture below. I plan to cut the current p-trap arm, leaving enough of it sticking out of the cabinet to ...
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2 votes
1 answer
645 views

Is flow direction through fittings important when fitting PVC or ABS pipe?

I am replacing the rusted out plumbing (drain, p trap, tee, trap adapters, 45 degree elbow) under my kitchen sink with ABS, but I notice that some fittings offer a choice of hub or spigot connections. ...
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plumbing plan on 3" stack

Im finalizing my plumbing for my workshop, I've got a 3" main drain and planned 3" wet vent for the plumbing. The sketch is my current plan. The lowest two "entrances" on the ...
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How can I temporarily repair a lengthwise crack in an ABS drain pipe?

I have a 3" diameter by 4 ft long, vertical ABS sewer drain pipe (unpressurized), in my wall that has a crack running lengthwise for around two feet and slowly getting longer. I've called a ...
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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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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 ...
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Toilet flange slightly angled, options

So i must have glued the closet bend about 5 degrees off or my subfloor isn't quite level, but I'm about to install the toilet flange. I can force it down flat and screw down the flange with a bit of ...
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Leaking drain joint in reconstructed pipes under new kitchen sink

We recently installed a new countertop and kitchen sink (which is built into the island). The sink is 2 inches deeper than the old sink, so we had to redo the plumbing to make everything fit. We used ...
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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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10' PVC Schedule 40 vs ABS sun sail support post. Life expectancy, wind and UV damage

I'm setting some 6' T-posts deeper then usual ( down to like 4') for a simple fence project and i have a few spots where i want set up sun sail triangle from 10' high to 8' in about a 15' x 15' area. ...
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PVC to ABS Recommendations

Under my kitchen sink is an ABS pipe going into the drain. I need to shorten it, because the disposer is moving to the right side of the sink, and this pipe with Y-connector will be in the way. (the ...
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Fernco coupling to join ABS drain pipes under basement?

I tapped into a 2" ABS pipe that runs underneath my concrete basement floor, and presently joined it using a Fernco coupling allegedly rated for underground use. (Unclear if this can be used indoors ...
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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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Connecting ABS at <22.5 degree angle?

I’m trying to get my plumbing vents up into my roof joist bays. They’ll run halfway up the house until they hit a beam. I’m then going to level off the vents so they dip below the beam and connect ...
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Remove ABS P Trap

Related I have an ABS p trap that doesn't seem to have any union nuts. Where my finger is pointing is the tail piece nut that I can loosen (and probably remove), but the rest of the p trap doesn't ...
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What size are the correct fittings for 1 1/4" ABS pipe?

I need to plumb into an existing ABS drain, labelled as "ABS/DWV 1 1/4" schedule 40 ", but for the life of me cant find any 1 1/4" fittings!!! My suspicion is that the pipe is 1 1/4" ID, and I need ...
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Are all plastic compression fittings interchangeable?

I need to rework the plumbing under my kitchen double sink. Currently, it consists of one brass drain pipe along with all ABS pipe and compression joints. Can I replace the pieces I need with their ...
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ABS offset toilet flange dilemma. Suggestions to make my 11" rough-in into a 12" rough-in. USA

Recently I started a thread to get advice on how to move a flange for a toilet so that I can wind up with a 12" rough-in when I'm done. It's problematic since I can't really work with the ABS under ...
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Can an ABS drain be fitted to a PVC waste pipe riser?

The only shower drain available at my local hardware store is The Wondercap, which looks fine. However, the (white) plastic is formed with "ABS", and the drain pipe itself is white plastic, which I ...
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3 answers
218 views

Can I glue a sleeve over a cracked dishwasher inlet line on my brand new garbage disposal unit?

The disposal is brand new and I can't return it even though it was damaged in shipping, as I'm well outside the return window. I believe the inlet is ABS plastic, as it's stamped with a small number 2....
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Recommendations for drilling a lot of small holes in various plastics (ABS/PVC/Acryl)

I need to drill a large series of 2 millimeter holes (several 100) in pieces of plastic that vary in thickness between 16 and 22 millimeter. The plastic will be ABS, PVC and acryl (not sure if that is ...
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Sewer Line Clog suggests pipeline replacement

Our 1963 in-city home has occasional sewer line blockages. Renting a power snake for $30/half day has gotten old. The city has scoped the line and suggest the constriction in diameter occurs 40 feet ...
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5 answers
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How can I attach 1-3/8 pipe to 1-1/2 inch abs?

I am trying to install a new vanity and the age of my house is killing me. The pipe coming out of the floor is 1-3/8 inch pipe. I have a new sink drain that is 1-1/4 inch so I have a trap adapter for ...
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How to fix broken plug

My neighbors landscaper has totally mutilated the cleanout plug between our yards that connect to each other. Can I use a brass plug in the ABS pipe, or should I use ABS to ABS. (4" pipe) whatever I ...
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connect 3 inch ABS pipe to only 0.5 inch exposed pipe

I would like to cut an existing pipe and install a coupler to connect 2 pieces of 3 inch ABS. I would like to make the connection where I am pointing on the image. Is that enough pipe to connect to (...
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3 votes
2 answers
4k views

Purple primer left on over night: can I use it?

I am using Oatey purple primer with Oatey medium gray pvc cement. This is a 2 inch PVC pipe job for pool pump to filter. I have a joint where I applied purple primer then realized I am not ready for ...
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Question about running new drain pipes in Laundry room

Hi I just framed out my laundry room in my basement and I'm looking to run add a utility sink and I need to add a drain line for both the washer and the utility sink though the utility sink is going ...
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2 votes
1 answer
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Can dryer vent touch ABS pipe?

I am installing a dryer vent (using rigid aluminum vent). The vent will be running along the same path as a 1.5" ABS pipe (which is used as drain vent, so no water flows through it). Would it be a ...
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Would it work if I glued a new closet flange to an existing closet flange?

abs closet flange is 1 and half inch lower than floor. the flange inlet is ID 4 inches. I am thinking of use some abs cement to glue a new abs flange into the existing one. (I assume 4x3 flange can go ...
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2 answers
3k views

How do I repair this friction ABS kitchen sink pipe fitting

I have an ABS pipe fitting under my kitchen sink which appears to be held on by friction (white piece just above the p-trap). After the p-trap the pipe makes a long run to the left where it's not ...
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ABS Glue = yellow or black?

I'm doing a bunch of ABS plumbing for the first time. I have everything cut and ready to assemble so do one last YouTube search for a few tutorials on glueing. Seems really simple. HOWEVER, all the ...
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7 votes
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What is 'Cellular Core' or "Foam core ABS' pipe?

At a big home store today, all the black drain pipe was 'cellular core ABS' in 'schedule 40'. What does the 'cellular' mean? The pipe was very inexpensive.
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