Questions tagged [pvc]

Polyvinyl Chloride(PVC) is a common type of plastic pipe, used for both plumbing as well as electrical conduit. Use with the [plumbing] or [conduit] tags when your question is specific to this type of pipe.

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22 views

Running power to a sub panel for a shed

So a friend of mine wants power to his shed for a tv, a small portable ac unit and some lights. I told him a 60 amp sub panel would be best just in case of expansion. So the issue is that from the ...
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1answer
38 views

Minimum vertical pipe height under kitchen sink drain

Is there a minimum height that the pipe directly under the kitchen sink drain needs to be, before it bends (in my case to the left)? Here is a picture of what I have (first image), and then a picture ...
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1answer
126 views

ok to run PVC pipe behind gas meter?

I am considering installing a radon mitigation pipe system in my home, but the only area where I could reasonably have the pipe exit my home is crammed with all my other utilities. The best spot I've ...
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3answers
2k views

A 1“ T fits the pipe and a 1” valve does not, why?

Both of these are labeled 1". The T on the left fits the little bit of grey pipe. The valve on the right is too small. What am I missing?
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3answers
6k views

How can I cut a vinyl chair mat to shorten it?

I need to cut a few inches from this PVC chair mat (if this isn't PVC, can you tell me what material it is). How do I achieve this? I though of using an acrylic knife; will it work? The line will be ...
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2answers
75 views

Waterproofing between wall and new sink vanity

We just installed a new sink vanity and there's a roughly 1 inch gap between the bottom of our mirror and the top of the sink where the wall is exposed. We'd like to protect the wall back there from ...
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0answers
30 views

Is a double elbow code-compliant for merging two residential drains?

I'm working on a project where I have two fixtures coming in from the left and right, and then the waste water exits downwards vertically. My question: Is a 1-1/2" PVC double elbow for this up to ...
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1answer
32 views

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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1answer
531 views

Removal of toilet flange in bathroom remodel with subfloor replacement and tile installation

I had a leaking bottom seal for my first floor half bath toilet, buckling linoleum tiles. I took up the linoleum and 0.7 in composite board that sits on the primary subfloor. As part of this ...
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2answers
400 views

What is this pipe in my garage for?

I measured it and it would come out under the cement where I approximately marked in red in the next picture. The main house sits on the other side of that cement walkway. My only guess is it has ...
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1answer
47 views

gravel in pvc pipe

One of my yard PVC pipe spouted gravel and soil a couple of weeks ago. I tried to clear it but it is backed up as far as I could reach - a couple of feet. Any ideas as to what this is, what caused and ...
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1answer
44 views

Fix leak in toilet drain pipe

I have a leak in a toilet drain pipe that you can see below. The horizontal brown line is where the leak is and it was caused by a metal support strap that was wrapped around the pipe. Is patching ...
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3answers
96 views

what is the correct procedure to patch up cinder block hole with plumbing?

(followup question to Why is this Ptrap installed in this location?) Here is the hole that I want to patch up: As you can see, it is a cinder block wall with concrete foundation with a new PVC drain ...
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0answers
25 views

Extending pvc drainage pipe that's “type c” (tele-duct)

I need to extend some 4" PVC drainage pipe. The problem I'm having is that the existing pipe is "Type C" ("tele-duct"). It has a slightly different outer diameter (4.350") than a typical PVC pipe (e....
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8answers
92k views

What should I do about a pin hole leak in pvc water pipe?

I have tried JB Weld products, epoxy, water epoxy, and water tape. I do not want to replace the pipe--just fix it for now. The pipe is a cold water supply.
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Is PVC ventilation duct safe for health in long term? [duplicate]

Some contractor says PP is safer (the arguments is it is used in food packaging...) and PVC will degrade and release toxic materials after 10+ years. But in http://en.wikipedia.org/wiki/...
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1answer
59 views

How to uninstall this tricky P trap?

I have trouble replacing this kind of P trap as shown in the Figure below. Different from a normal P trap (e.g., here https://i.stack.imgur.com/W7MWn.jpg ), threre is no such "wrench stuff". I ...
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1answer
48 views

What material is my waste stack made of, and what can I do with it?

A number of years ago I had a plumber out who told me what type of waste stack this is, but I've since forgotten, and cannot find info online. He indicated that it should be replaced eventually (of ...
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2answers
3k views

How to seal new PVC to old Lead pipe “toilet bend”

I have an old toilet flange which was a brass ring on a 4" lead bend that connects to the main cast iron stack. The old brass flange ring corroded and broke. I found a nice PVC fitting that fits ...
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3answers
159 views

How do I fix this toilet flange?

Basically there is a PVC flange that was glued to the inside of the pipe. The problem was that the metal flange that was on the outside was so completely bent that the bolts no longer stayed inside. ...
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1answer
27 views

Remove 1.5” spa pipe fitting from PVC pipe WITHOUT damaging pipe

Have a 1.5” compression collar for a spa circulation pump. Whoever installed it crushed the shoulder behind the “O” ring. Need to remove it without having to buy a “pipe parana” for $140. Have to ...
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1answer
32 views

Leaking PVC pipe & joist notch

I appreciate any help with my problem below. I have a PVC drain pipe that is leaking. The drain pipe is from a tiled shower floor. It looks like the joist is pressed up against the pipe elbow and ...
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0answers
29 views

After repairing pcv pipes on my water line I have very little water pressure. 1/2 pvc pipe ; no leaks just no pressure

I repaired pvc pipe with new fittings ; no leaks ; but I now have no water pressure. 1/2 in pipe
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3answers
13k views

How to fix broken toilet flange from over tightened bolt?

I broke my PVC toilet flange when I over-tightened the bolt used to secure the toilet to the flange. How do I fix this without replacing the entire PVC fitting? This PVC flange is glued to the drain ...
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1answer
2k views

PVC toilet flange replacement problems

Background: I wanted to replace the wax ring on my toilet but when I took it apart I found that the flange was in bad shape. The notches that hold the bolts were broken out. That, I think, led to the ...
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2answers
510 views

Two check valves in a series on discharge pipe

Is there any downside to having two check valves in series? I'm installing a new sump pump that came with a new check valve. Several feet from the sump pump, there is an existing check valve on the ...
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3answers
375 views

Is EMT or PVC more durable under a porch that gets rain?

I have a 2nd story porch that I want to put lights under. I'm not sure whether EMT or PVC will be more durable in the long run. It will get both rain and some sun, and I'd like it to last a long ...
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3answers
53 views

Clamps for cutting PVC or other circular objects

This is about as simplistic as it gets... They make wood clamps, C clamps, etc, for securing objects with a flat surface that you are about to cut. Whether it's a circular saw, sawzall, jigsaw, ...
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1answer
340 views

How can I protect my underground sprinkler PVC pipe from tree roots?

This is a follow up to a previous problem I had here: PVC Pipe for sprinkler system broken in multiple places Does anyone have any suggestions how I can install underground PVC pipe and protect it ...
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1answer
29 views

Well Pump Setup: Best Materials to Use for Pipes

I live in Southwest Florida, and we have well water. I am in the process of redoing our whole well input plumbing setup and wondering about the best materials to use. This is what I'm proposing as a ...
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2answers
47 views

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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1answer
59 views

Azek trim on bay window box

I have a bay window with a (I think) classic 3-sided trim bottom. The trim is rotting and I plan on replacing it down to the studs and back. So studs, exterior ply, tyvex and flashing, then trim - ...
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0answers
40 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
48 views

PVC ring Shut off valve? [duplicate]

I just bought a house built in 1984 it has PEX plumbing. I need to remove a toilet to install a new floor and I noticed the water supply line to the toilet connects to a water shut off valve that I’ve ...
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2answers
510 views

Attaching new drain trap to a galvanized stub out

I am replacing a vanity in my bathroom. The brass p-trap from the old sink was connected to the galvanized stub out as seen below. While there haven't been any leaks that I'm aware of, the slip nut ...
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0answers
55 views

Water line runs 600 feet from meter to gate of property?

Would there be a benefit if I have a 1" meter that is 600 feet away from property to up size the pipe from 1" to 1 1/2" pipe?
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3answers
10k views

Should you chamfer CPVC pipe before gluing?

In know that PVC should be chamfered and even lightly sanded before gluing for better insertion on the fitting (and probably some other reason). What about CPVC, a manual told me to just cut, apply ...
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0answers
20 views

Install washer drainpipe

I have a washer currently draining into a utility tub sink. We heard a horror story about kids putting toys in the sink and the washer drainage flooding the house. I want to remove the drywall to ...
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1answer
59 views

Is it safe to remove part of the drywall behind plumbing to eliminate noise?

We've had a noise when water is draining from upstairs bathroom since we moved in 13 years ago. Now that we have the wall open on one side for other reasons I can see that the PVC drain isn't parallel ...
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3answers
64 views

How to connect 4” PVC to broken sewer line?

I have a piece of broken cast iron pipe with almost no overhang. Wondering what are my options here?
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4answers
14k views

How should I repair mounting holes drilled into pvc window frames?

A previous owner had drilled holes into the pvc frames to fit blinds, which have since been removed leaving small holes. I'm not expecting pvc can be filled flawlessly, but what would be the best ...
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2answers
305 views

How to remove this PVC to cast iron adapter?

I need to remove the existing PVC to cast iron adapter in the main waste outlet of my basement. Another PVC fitting will be added in place. This is a 4" cast iron with a rubber ring that seals ...
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2answers
531 views

How to connect plumbing to a trap adapter which is already installed?

I'm replacing the drain plumbing from my bathroom sink, and there is currently a 1-1/4" male threaded PVC fitting coming from the wall, which I assume is a trap adapter that was installed at some ...
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1answer
34 views

How much length of pipe is needed to enter a 'donut' PCV to iron pipe connection?

We have a cast iron pipe leave the house with PVC connected to it at the wall with a "donut" style adapter like this: Basically you stick the donut into the cast iron pipe and PVC into the donut and ...
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2answers
199 views

Gluing pvc quarter round in the shower corner

I had my shower done and the tile work is very ugly in corners. Wondering if gluing PVC finished quarter round with clear silicone would work in the long run? Anyone had any experience with it? Any ...
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6answers
2k views

How can I repair a leak in a PVC water line without bringing down the system for an extended period of time?

I have a small leak in 1" PVC pipe at a connection to a shutoff valve. It looks like not enough PVC cement was used. Taking this apart to repair it will require the entire household water system to be ...
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2answers
102 views

How do I attach a new pipe to this vertical ABS pipe?

I have this vertical air exhaust pipe in my attic and I want to feed more things into it. What is the best way to attach more pipes to it? Can I cut a hole into the side with a hole saw, put in the ...
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4answers
108 views

What is this rubber tubing called?

What is this rubber looking elbow here called and where can it be purchased? It's the black part that is fastened to the 3/4" pvc using hose clamps. For some context, this is a condensate drain on an ...
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4answers
780 views

Adding bug screen to 3/4 PVC

I have a 3/4 inch PVC line that is draining from my water heater pan through an exterior wall. I want to add some bug screen to it so that no roaches or other unwanted pests crawl up it. From what I ...
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7answers
23k views

Can I thin thick PVC cement with primer?

I needed to make a repair on some PVC pipe. When I opened my can of cement, I discovered that is was thicker than when new. I purchased the cement around a year ago and kept the lid firmly closed. The ...

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