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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How do I fix a leak in my sink's drain pipe? [closed]

Started facing a water leak issue on pvc pipe under the bathroom sink. I am new to this and never fixed this before. How do i fix this leak ? Any help will be greatly appreciated. Thanks.
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threaded pvc to female brass. What should I use on threads?

I am extending an existing 1" PVC water line from my well to a yard hydrant. I am using PEX-B pipe and brass fittings. One end will be connecting to an existing 1" PVC pipe using a Threaded ...
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2answers
72 views

Irrigation Zone Off When Should Be On, On When Should Be Off

I have been replacing irrigation lines, switching from buried black poly lines to buried PVC pipes. Summary When I open Zone 1 (for sprinklers), the nothing happens. When I open Zones 2-5, then Zone 1 ...
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4answers
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How can I join PVC pipe in a food safe way?

I want to close a rectangular vertically mounted pipe with a piece of flat PVC plastic. I will use the pipe for growing herbs on the wall outside my house, so it needs to be non-toxic. I was thinking ...
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1answer
76 views

How deep should PVC drain pipe be buried to ensure grass will grow above ground?

I’m burying 4” solid PVC drain pipe (not a French drain) in my yard for downspout & surface drainage. How deep should the pipes be buried in order to ensure that grass will grow above it? Due to a ...
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1answer
284 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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1answer
28 views

Can we paint exterior pvc board around windows dark brown?

The wood frame around our exterior windows is rotting. Our home is dark brown stained cedar siding, and our window frames are also dark brown. We called a local construction company to fix the old ...
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1answer
61 views

What is the technique and required materials to connect a new PVC elbow to an existing PVC T-Pipe?

When connecting a new PVC elbow to an existing PVC T-Pipe, is there any special technique required or any materials (such as plumber's putty) required to complete this task? I'm imagining it's very ...
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2answers
146 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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1answer
66 views

Why is my exterior PVC water main covered in vinyl wrap?

I'm going to replace the main water shutoff valve that feeds my house. The 1" PVC water line comes up thru the ground and then threads into 1" copper (that's the part I'm going to alter). I ...
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1answer
234 views

PVC Pipe for sprinkler system broken in multiple places

Roughly 2 years ago I posted this question: Need Sprinkler Cracked PVC Pipe Repair Suggestions There was a lot of good suggestions, but now the issue has gotten much worse. In the image below I'm ...
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1answer
51 views

Using 1.25" SCH 40 PVC pipe to protect hose for irrigation

I'm setting up a simple irrigation system on my farm to deliver water to my fruit trees. What I want to do is to run a hose (a simple garden hose) through 1.25" schedule 40 PVC pipe to protect ...
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118 views

How to connect PVC to galvanized pipe

What are the proper ways to connect PVC to galvanized metal? The context of this question is for a house that has a kitchen drain stack made of 2" PVC, except for the topmost (vent) section, ...
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1answer
645 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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4answers
3k views

Trying to design and build a system where water pump into multiple outlets (pvc) evenly

I am trying to build a little irrigation system where my water pump distributes the water into multiple outlets. I guess my question is how do I make sure the water flows evenly in all the pipes. I ...
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2answers
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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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How do I fix this shower drain?

A couple days ago I noticed in the ceiling some dripping water after taking a shower. There was really no reason the pipe would have broken, so I pulled up the shower grate thinking it was maybe ...
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3answers
1k views

Is there anything to help reinforce PVC pipe?

I am plumbing a pond and have some above-ground PVC pipe. I used the purple and blue glue to attach the pipes, but am concerned some pipes could still come loose. I plan to wrap the pipes with duct ...
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2answers
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Can I repurpose an unused 6" radon pipe as an electrical conduit?

When the house was built, 3 radon pipes were installed between the basement and the attic. They are 6" PVC plastic are completely within the walls of the home except for their ends. Only one of ...
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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
3k views

Is there a name for PVC pipe that's approx 1/2“ ID and 5/8” OD?

I have a PVC pipe that supplies water to a valve, and then goes to my toilet. It's approx 1/2" inner diameter, and 5/8" outer diameter; it's stamped on the outside of the pipe that it is 1/2". The ...
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39 views

How to connect flexible PVC tubing to PVC pipe with no chance of connection breaking?

I am assembling the plumbing for a pond. I've put nearly all of the plumbing under water, so if something breaks, the leak will occur underwater, within the pond, and thus, it has no chance of the ...
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1answer
70 views

How should I drain an area of gravel between a sidewalk and retaining wall?

We are reclaiming a flower bed and extending our existing patio. After a gully washer I am now concerned about drainage for this 5ft by 36ft impervious surface we are adding. We are also adding a ...
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1answer
143 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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1answer
2k 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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7answers
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How do I easily separate unglued PVC pipe from joints?

I've been retrofitting an existing PVC irrigation system around my house. Part of that work requires that I work in shallow holes adding T joints and elbows in places where there were none before. In ...
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2answers
64 views

Is there a product that provides a switch for diverting water through a different set of pipes?

I have a pond setup where there are two pools, a lower pool and upper pool. Water is pumped from the lower pool into the upper pool, with an electric pump, then flows back through a waterfall. Much of ...
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1answer
22 views

Does the orientation of a swing check valve matter?

I am installing a swing check valve on the plumbing of a pond. The purpose is to prevent the water from flowing backwards through the pipes during a power outage. It water were to flow backwards, ...
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3answers
17k 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
22 views

How to properly insulate PVC water pipes outside?

I live in Houston, and I'm trying to re-insulate my external pipes, which are a mix of PVC pipes and fittings and brass valves. Most of my fellow Houstonians use foam polyethylene insulation and duct ...
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0answers
23 views

Sprinkler pipe in concrete

I'm having a concrete deck installed, and I'm keeping a sprinkler pipe in the concrete for use in a drip system. Is it ok if the pipe is PVC or should I replace it with a galvanized pipe?
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1answer
48 views

Which grade of PVC piping do I need in order to sustain a 1,000Pa vacuum?

I'm rigging a proof of concept DIY machine, in which the internal pressure will need to be at most 1/50th of atmospheric pressure. For a safety margin, I want the machine to withstand 1/100th ...
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2answers
80 views

Spilled pvc primer in water softener tank?

So, let me start by saying I’m an idiot. As implied by the title, I spilled pvc primer in my water softener tank. I was installing a whole house filter overhead and doing the piping and knocked it ...
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44 views

Irrigation system B-Hyve with manifold away from the faucet

I am using 3 B-hyve Smart Hose Faucet Timers to schedule watering. The current system is connected as: Faucet ---- ~35 ft garden hose ----- backflow preventer ---- 4-Way Hose Faucet Splitter --- 3x (...
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3answers
55 views

What to call a fitting that helps quickly release two PVC pipes?

I have a hose that I need to attach to some PVC, but needs to be removable for maintenance. I found some threaded PVC ring, which I can glue to either side, that allows for it to be separated, the ...
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58 views

Frozen PVC pipes in Texas

I have frozen water pipes and I poured boiling water down the bathtub drain and now have a small amount of hot water coming out cold water tap. What could cause this?
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2answers
127 views

How can I prevent frost buildup on a concentric water heater intake?

I have a hot water tank with a concentric PVC vent that's both an intake and exhaust for the tank. Whenever it's -30 celcius and below (I'm from Canada), the air intake on the concentric vent clogs up ...
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2answers
283 views

Small leak has appeared in a PVC drain pipe joint, how to seal?

I have attached a picture of the joint, and circled the bit that is leaking, a small hole. What is the best way to go about sealing this up and fixing it? Thanks.
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1answer
25 views

Ensuring a down pipe attached to a wall stays elevated above the ground

I have a downpipe that I noticed was full of water. When I lifted it up, all the water started gushing out. The attachments had come off and it had slipped down leading me to believe it was sitting ...
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2answers
89 views

Can Schedule 40 PVC refer to non-Rigid and Rigid or uPVC pipe (for food safety)?

From what I read, "regular" PVC is not for food applications. You have to get uPVC or Rigid PVC (same thing I believe.) But I can't find it anywhere. Is Schedule 40 the same across Rigid ...
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3answers
12k views

What size rubber grommet will a 3/4" PVC pipe fit (water tight) through?

What size rubber grommet do I need for a water-tight seal on a 3/4" PVC pipe? For example, would this rubber grommet fit a 3/4" PVC Pipe?
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4answers
189 views

Moving forward with a hacked-up toilet flange replacement

I noticed water leaking out from under a toilet, so I decided to take a look, hoping that it was something simple (wax ring or even a hairline bowl fracture). The toilet came out with (almost) no ...
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2answers
2k 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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1answer
51 views

Do these look like good PVC exhaust and intake termination ends for a new tankless gas heater?

I just had a new tankless gas water heater installed, and it seems to be working well. But looking around here, other sites, and my own HVAC system, the terminating ends seem to come out further from ...
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3answers
9k views

Is there a way to fix a small water leak in a PVC pipe from inside the pipe?

The PVC evacuation pipe from my toilet is leaking a little bit. The part of the pipe that is leaking is buried inside concrete. I am trying to find a way to fix the leak from inside the pipe, that is ...
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5answers
2k views

Is an ethernet cable threaded inside a metal conduit is more protected from electromagnetic interference? [closed]

I am at the end of a renovation, and only now  I discovered that it is not recommended to run ethernet cable in parallel and closely to power cables, even if they are in separate conduits, but I may ...
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1answer
41 views

Can I extend my sump pump outlet and dig it down in the ground?

I attached an image of what I want, but essentially the water pools 6 feet from the house and ends up creating a swampy area for my dog to run though right out side the door. Can I add a 45 degree and ...
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2answers
73 views

Does the combustion air inlet for a 95% HE furnace need to be sloped down the same degree as the exhaust?

I'm determining if existing 2.5" PVC furnace vent pipes can be moved inside an existing soffit box in my garage ceiling. To do this the exhaust outlet pipe could keep it's existing grade from ...
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2answers
194 views

How can I store PVC pipe in the sun and prevent UV degradation? [closed]

I handle the PVC pipe storage system in the yard for my company. The yard is a totally open area and pipe is directly exposed to sun light. In the summer the sun is high and due to this lots of pipe ...
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2answers
204 views

Basement rough-in PVC drain pipe is not centered with stud

Our basement rough-in PVC drain pipe is not centered with the wall studs. It is not a load bearing wall since it's a newly framed wall (wall can no longer be moved). We now have to extend the drain to ...

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