Questions tagged [pipe]

For questions generally relating to hollowed out materials used to convey a liquid, gas, or other fluid substance.

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15
votes
4answers
40k views

How can I tell if these pipes are gas lines or water lines?

I recently moved into an in-law unit of a large old house. In the kitchen, there are two pipes coming out of the wall (one protruding out a little more than the other). I had assumed they were gas ...
4
votes
4answers
54k views

Effect of changing the size of a pipe

I've had a couple questions above the sizing of a pipe, but I'm still a little confused and can't find an easy answer. I'll use this image to get a representation of what I'm looking to have answered....
18
votes
3answers
4k views

Why would you use copper over CPVC or PEX?

Are there any advantages to using copper rather than CPVC or PEX?
8
votes
7answers
160k views

Is there a way to thaw a frozen pipe, if you can't access the pipe?

Big freeze, new house. Just found out the add-on bathroom was plumbed by amateurs, and the cold water supply froze. I don't have access to the frozen section of pipe (without major demo), so I can't ...
3
votes
1answer
1k views

Should I replace a kinked hot water supply pipe?

I recently put a kink in this hot water supply pipe. It's not leaking now, but I'm not sure if I should replace it proactively at this point. I'm looking for a practical answer, since replacing this ...
2
votes
2answers
11k views

How many outlets can 1/2" copper pipe support?

My basement apartment's hot water pipe runs starting with 3/4" from the heater to the first outlet, the bathtub and the 2nd one, the washer. From the washer, it goes to the bathroom sink (please don'...
1
vote
0answers
371 views

opening water pipe/tap has hissing noise throughout the house [duplicate]

Possible Duplicate: How to eliminate the “whooshing” sound of water running though pipes. I have a 3 story townhouse. Any time when I open a tap, even very slowly that water is just ...
31
votes
5answers
34k views

Why does this pipe feeding a hot water heater dip down like this?

This is a cold water pipe just in front of the hot water heater it is feeding. Why is it shaped that way? What is its function?
11
votes
3answers
12k views

Why does our shower make a screaming noise?

Our shower has a problem...It's very loud! When water hits the correct temperature and flow the shower immediately starts shrieking like a banshee. It seems to be related to the flow because we can ...
6
votes
5answers
27k views

Is it wrong to connect multiple J-bends (traps) together?

My tenants recently told me that they have constant clogging problems with their bathroom sink and had me come take a look at it. I found the following 3-trap configuration: This was done because the ...
4
votes
2answers
4k views

Corrosion on copper pipes due to insulation (with foam)

My incoming water pipe is copper and it is a brand new installation with no leaks. But due to the hot humid weather (even in the basement) it sweats due to condensation. Should I insulate it? The ...
3
votes
2answers
245 views

Any advice on unthreading old Brass pipe?

Any advice on unthreading old Brass pipe? The brass pipe is in the back with the spigot attached.
0
votes
3answers
7k views

Galvanized pipe life expectancy

USA, NW Oregon, single-story house with crawl space, built 1972. Background The house has the original galvanized piping in the crawl space and suffers from low water flow in two bathrooms. Static ...
12
votes
5answers
22k views

Is this plastic pipe connecting city water to the main line dangerous?

I bought a whole house water filter to hook up to the main water line. The plumber who came in said that he won't be able to install it because the pipe that comes from the ground hooked up to the ...
10
votes
3answers
1k views

How can I cut a metal pipe while preserving the wires inside?

I need to install a dishwasher with a solid bottom into this space, where this solid pipe (green rectangle above) is in the way. How would I remove the pipe, or at least make it level with the floor, ...
7
votes
2answers
15k views

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.
6
votes
2answers
16k views

How to remove this plastic pipe elbow

I cannot seem to get this plastic pipe elbow (pictured below) off. It joins a plastic pipe to an outside tap and the elbow has a crack in. I've tried twisting, pulling and pushing it - but it won't ...
5
votes
1answer
2k views

Should a twisted copper pipe be replaced?

While replacing a hot water tank I foolishly twisted the out pipe by losing my grip on the wrench. The copper pipe twisted, so I twisted it back gently, but it now has a kink in it. Is this likely ...
5
votes
1answer
26k views

Can I move my bathroom sink's drain pipe about 6 inches to the right?

I found the vanity I wanted for my bathroom, but it doesn't fit due to the position of the drain pipe. It needs to move about 6 inces to the right. I assume there is some sort of adapter or ...
3
votes
1answer
4k views

Under bathroom sink piping (exposed)

We are looking at setting up the piping for under our wall mounted sink (no vanity, ie, piping will be exposed). And after our contractor finished putting the wall we noticed that the hole from the ...
3
votes
3answers
2k views

Eliminating ticking noise of pipe in wall

I know that the ABS main stack in my home is not rubbing against the floor or attic plywood openings; it is rubbing against the drywall in a interior wall when the pipe expands with the use of hot ...
3
votes
1answer
10k views

Is it necessary to replace lead gas pipes?

I have some lead piping in the cellar where the gas comes into the house. Does this comply to current Gas Safe regulations?? Edit: England
2
votes
2answers
7k views

Are there devices to find pipes in walls?

I just moved into a new apartment and have no idea what's in the walls. This makes me somewhat afraid that I might hit a water pipe or so when drilling into the wall. Is there some kind of tool that ...
2
votes
1answer
1k views

What is this called (adjustable angle pipe footplate)?

I'm constructing an EMT pipe tarp canopy frame. It will be a shed roof. One side will be pipe supported (low end) and the other side (high end) will be mounted to the top of my garage roof. The plan ...
2
votes
6answers
3k views

How do I remove or cut a sewer pipe at edge of our basement slab?

What's the best way to remove the unused sewer / storm-drain pipe in the attached picture? It's coming up through the edge of our basement slab where it meets the foundation wall? We want to remove ...
1
vote
1answer
39 views

Where do I unscrew the aerator from my faucet riser pipe?

The picture under itself does not clearly manifest the 2 splits or connecting points, but I have indicated them with the red lines and numbers. Which do I unscrew for the following? First off you ...
1
vote
1answer
209 views

Installing retaining wall for pool. Sump pump drain line in area

Can I leave a space for sewer drain when putting retaining wall up so, rock wont rest on top of soil where sump pump sewer pipe is? Update with more detail: My home has a sump pump that kicks the ...
1
vote
1answer
525 views

What can cause copper pipe to corrode?

We have a corroded main water pipe that connects to a valve that goes into the house. The corroded pipe rises from the pave driveway and ends in a valve at the top. Here's a picture: The building ...
1
vote
1answer
336 views

bathroom pipe joint leakage behind the ceiling tiles

There is a water leakage in the pipe joint behind the ceiling titles in my bathroom, as shown below(I glued some putty around the joint but it didn't work, the joint looks like the one on the left), ...
1
vote
2answers
8k views

How to connect 2 water tanks at different levels with one pump?

I have 2 water tanks installed in my 3 story building. 1st one is on top of the 3rd floor, the other one is on top of 2nd. The pump is installed at Ground Floor. Before now, the water flow was ...
1
vote
1answer
143 views

How to deal with a corroded copper water pipe?

We have a corroded copper pipe. I'm not interested in what caused the corrosion. I just want to know how to treat it. What can I do to stop the corrosion? Paint it? What would I paint it with? ...
1
vote
2answers
4k views

Steel wool around a gas pipe

There's a crawl space in my basement where the gas pipe to the stove goes through a hole in the ceiling. I think it might be a big enough hole for a mouse to get through so I'd like to stuff some ...
0
votes
2answers
444 views

How should I modify this drain pipe

I just removed a fiberglass tub/shower alcove and with to create a walk in shower. I need to relocate the drain, to the center of the alcove. I also need to get rid of the "periscope" part of the pipe....
0
votes
2answers
1k views

Blockage in bendy pipe

I have a problematic pipe that has a blockage. Problematic for three reasons: I could not snake through it (I have a 25 feet snake with a manual spin, spent a good while spinning trying to snake ...
0
votes
1answer
83 views

Reverse osmosis water filter installation

I am currently attempting to install a reverse osmosis water filtration system in the cabinet underneath my kitchen sink next to a refrigerator. The system comes with a faucet which appears to get it'...
0
votes
2answers
3k views

Is this iron pipe lamp grounded/insulated enough to be safe?

I replicated this lamp from a Home Depot tutorial. http://blog.homedepot.com/diy-industrial-lamp-cool-desk-lamp-made-from-pipe/ I'm worried that the lamp socket isn't isolated enough and that the ...