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Questions tagged [pvc]

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1answer
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Minimum Size of First 90 Degree Fitting Downstream of a Sink

The Building code for Wisconsin states this: The minimum radius for the first 90° fitting downstream from a trap serving a lavatory or sink shall be 1-3/4" for drain piping 1-1/2" in diameter. ...
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1answer
45 views

PVC pipe end cap fitting, with center hole and offset hole?

Is there such a thing as a PVC pipe reducer end cap fitting, which has a center hole and an offset hole? The purpose of the center hole is to insert a small diameter straight PVC pipe through the ...
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2answers
27 views

Detecting concealed PVC water pipe with ultrasonic sensor

I'm planning to install some glass shelves in one corner of my washroom. The problem is, there are some plumbing pipes snaking around underneath the ceramic tiles and I risk punching holes while ...
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2answers
40 views

How to fill a narrow crevice around my toilet waste pipe with concrete?

When I replaced a toilet, I discovered that my toilet flange was not actually secured to my concrete subfloor at all and had come out of level, causing a leak between the bowl and the floor on the ...
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1answer
30 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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1answer
83 views

What purpose does this PVC pipe in my crawlspace serve?

I was cleaning the crawlspace under the house and discovered two 3/4 inch white PVC pipes that run across the crawlspace buried under ground (4-8 inch deep) and terminate at the perimeter foundation ...
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1answer
32 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
32 views

Minimum Concrete Thickness Over PVC After Rough-In

I just has some plumbing roughed in for my basement. The plumber did an okay job but for some reason routed the drain pipe for the sink under the area where my shower will go. This would't normally be ...
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1answer
74 views

What PVC fitting can I use to replace this cast-iron wye?

I would like to replace this old iron cast fitting. See pictures. Do they make this type of fitting in PVC? Any ideas on which fitting i can use to replace it?
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1answer
51 views

Individual conduits for each phase to reduce amount of stud being drilled

I'm trying to do some improvements on an existing structure that leaves me little room for maneuvering. I'll break it down as simply as possible. I have two large PVC junction boxes (completely ...
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1answer
61 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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50 views

Repair drain for two sinks on opposite sides of a wall

Doing a bathroom reno in a single floor ranch built in 1962. Two full bathrooms share a common wall. The vanity in each bathroom drains into opposite sides of a galvanized tee. Two inch galvanized ...
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1answer
57 views

PVC conduit into PVC box: Can I make it watertight when using a threaded fitting? Are sealing locknuts allowed?

I have some 2" PVC conduit coming out of the ground and into a PVC box where it enters with a terminal adapter and held in place with a locknut. I intended to use a sealing locknut to keep the box ...
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3answers
161 views

What is this PVC pipe in my basement

I recently purchased a newly built house. It has an unfinished basement. There is a white pvc pipe that comes from the floor. It is about 4 feet tall. Out of it comes a sewer smell. Some days worse ...
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1answer
62 views

3 inch pvc in concrete

I have a 3 inch pvc drain pipe i have to move 4 inches that is embedded in concrete. I have hammered out the concrete and now im ready to cut into the line and put a T coupling in for a toilet. My ...
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1answer
60 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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0answers
14 views

Sticking PVC molding to bay window V

I have a bay window with PVC double glazing. I have covered where the frame meets the ragged edges of the surrounding wall with PVC architrave mouldings (US spelling moldings), which I stuck to the ...
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2answers
106 views

What is this pipe sticking out of the ground?

This is connected to my sprinkler system. It has a crack in the side and leaks when the water to the sprinkler system is turned on, even when the sprinkler system isn’t running. Does anyone know what ...
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0answers
37 views

PVC pipe back of 2story home dripping water

Have a 2 story home on basement foundation. Have 2 AC units one in each side of house both have a pvc pipe nearby which I imagine is for condensation. In the back of the home near the basement door ...
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2answers
920 views

White PVC pipe for electrical wiring

I am running about 20 feet of 8 AWG 4 wires through 3/4 inch PVC piping for a electrical power generator (transfer switch to L14-30 outlet). Wanted to know, codes aside, if it is fine to use white ...
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1answer
51 views

How do I tighten an out-of-reach PVC pipe fitting?

A PVC pipe got pulled out of its fitting under my shower (don't ask!). It's been pushed back into position, but is out of reach by hand and not tight (causing a slow-drip). Above the pipe is a shower ...
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1answer
288 views

Gap (2") between PVC conduit and exposed foundation (exterior)

I can't figure out how to get a good photo of this setup, so I'll try to describe as best I can. I'm moving/replacing the existing overhead electric cable that runs between the main house and the ...
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0answers
45 views

Service Panel and New Underground Conduit

So im remodeling and found out my electrical conduit that carries my lines from the my garage was rotted out. I had exposed electrical wires, still wrapped in sleeves, but exposed buried in the dirt. ...
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2answers
3k views

How many 14/2 romex cables can I put in a 1/2 pvc conduit?

How many 14/2 romex cables can I, according to NEC (or safely), put in a 1/2 pvc conduit? For background: the conduit will be buried until surfacing in a junction box; using burial-rated "romex"black ...
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1answer
63 views

How to calculate length of roof sides when distance across is known? a2 +b2 = c2?

I am building an A-frame PVC greenhouse. I plan to make the pitch 45 degrees for each side. I have a 10 foot gap across from each side of the wall. How do I calculator the exact length of each half ...
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1answer
81 views

PVC to CPVC transition

Is it OK to solvent weld PVC to CPVC? I have a Schedule 40 PVC line outside a building and need to transition to CTS CPVC for indoor plumbing (because code). I'm wondering both from a practical (will ...
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1answer
77 views

How to Run an Electrical Wire from a Breaker inside the house to the Deck

I just got a deck made at the back of a house in Alberta, Canada. House is wooden with PVC siding on the outside. I do have access in the basement to drill a hole and run a cable outside, but, not ...
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2answers
105 views

Is solvent fitted 2” pvc safe for use with drinking water?

I have a 500 gal outdoor drinking water storage barrel, that I want to attach a hydrant to (the hand operated type) Yes I know the water will need to be disinfected after pulling it from the barrel. ...
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0answers
36 views

PMMA vs PVC for opal led strip enclosures?

I am planning to install some aluminium profiles for led strips with matte cover diffusers ( opal / frosty). I found that the covers are made from two different types and I would like to know the ...
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1answer
43 views

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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2answers
80 views

Why is it difficult to find pvc pipes in europe?

I was planning on building some kind of piston toy gun like this one. However, I have trouble finding the pvc pipes in europe (France and Switzerland at least). I looked at the webpage of Hornbach, ...
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0answers
42 views

What is this fitting in my 2" stack?

What is that wide-diameter fitting in my 2" PVC stack? It's in the way of the hardwood floor and the drywall. Can it be effectively removed?
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2answers
209 views

How to properly seal a leaky pump coupling on a hot tub/spa?

I've been trying to solve a leaky coupling on my hot tub's pump. The leaky coupling is above the pump (whereas the other connection on the pump runs to the heater, and is on the side of the pump). ...
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1answer
379 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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1answer
225 views

Is it acceptable to use multiple PVC couplings when routing a drain through joists?

I'm deciding whether to repair or replace my ancient cast iron DWV plumbing while the walls and ceilings are open. The 1.5" steel shower/tub drain is currently notched through joists for a run of ...
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1answer
46 views

2 in. PVC Slip x Slip Union thread miss match, metric vs imperial maybe?

I'm trying to join a pipe to a pvc connector, I got one from the hardware store that seemed to match in size perfectly, but when I tried to screw it on, the thread seemed to not match, are there two '...
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2answers
124 views

Flat PVC Cap to fit a 3" PVC pipe

I'm looking for a flat PVC cap for 3" PVC pipe. I ordered a few 3" PVC DWV Schedule 30 Caps Amazon that were too small. I've measured the 3" PVC pipe, and it appears the outer diameter is just over 3....
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2answers
231 views

PVC leak-free joints without glue

I am interested in installing a PVC tubing conduction (80 mm diameter, no longer than 1 m.), with two 90 degree joints. I would like to know if there is a way to fix the joints without the use of ...
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0answers
56 views

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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1answer
34 views

What size diameter PVC pipe can fit into a reducer labled 2 1/2“ to 2”?

This may sound like a stupid question (I'm new to plumbing terms), but for something like this. What diameter PVC pipe can fit into this? For example, does this mean the diameter of the coupling ...
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1answer
47 views

How to create or find a PVC coupling for a 2“ diameter PVC to a 2” 1/8 diameter PVC?

I am a pool service tech working on a very old pool for a client. I am fixing what is called a discharge leak currently. I installed a new fitting onto the pump which uses the standard 2" PVC ...
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2answers
1k views

Running Cable Underground in PVC Conduit - Do I bond the PVC segments before pulling the wire through?

I have the PVC segments with the flanges at one end, and a relatively short (under 50ft) run, but its very bendy at the ends. My initial thought was to pull the cable through the pieces one by one, ...
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3answers
1k views

What is this part near the entry point to my irrigation system

Here is the overall view of the valve access box: The valve is turned off because the pipe directly after the valve has come loose from the valve. I'd like to repair this, but I'm not sure what the ...
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1answer
2k views

PVC hole repair in tight space

I have a PVC pipe inside the wall in the right front corner of my office closet. It has holes in it, and it carries washing machine water from washing machine to the basement to dispose of it however ...
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0answers
56 views

How bad is long term bending load on PVC pipe?

I have plumbed in a garbage disposer under kitchen sink yesterday using PVC piping and plumbing glue - pretty much what was there, but I added the garbage disposer. The problem is, the pipe that ...
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2answers
935 views

How can I find PVC pipes in a wall?

I would like to find a waste drain PVC pipe that has a standard diameter of 10cm. I noticed this question focuses on metal pipes Are there devices to find pipes in walls?, but I would like to find a ...
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1answer
46 views

Installing two outdoor receptacles using T LB pvc, How many ground wires?

I am looking to put a general use swimming pool receptacle at my fence and then the dedicated pool receptacle by the pump, each on its own gfci circuit. The general use would come first in the ...
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1answer
38 views

Fixing leaky drain gasket

I am having some trouble making my sink drain gasket not leak. I have a very old sink (50+ years) and it is made of iron. The overflow drain holes in the drain pipe have over the years corroded part ...
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1answer
124 views

Repairing Damaged Toilet Flange

I've bought an old house, and I've decided to fix a rocking toilet. I found two flange repair kits stacked on top of the original broken toilet flange. When sawing the flange to remove it, I found ...
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1answer
109 views

What are the standard dimensions for the square grips on PVC screw caps?

No matter the size of the end cap, the square grip always seems to be exactly the same size. What is the standard size of the square grip? (NPT?)