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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How do you control what angle plumbing joints go in at?
I'm an electrical engineer, working on repairing a somewhat complicated pneumatic system, but I figured this would probably be the best place to ask. This is probably a very basic question to anyone ...
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2
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Water Pressure Regulator not regulating after rebuild
I just rebuilt my Zurn Wilkins 600XL 1" pressure regulator, but it still is not controlling the pressure after rebuild.
One thing I notice is if I measure the pressure immediately after closing a ...
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4
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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....
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Why would you use copper over CPVC or PEX?
Are there any advantages to using copper rather than CPVC or PEX?
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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 ...
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Is it safe to use Category 1 80,000BTU furnace with 2 inch PVC exhaust?
A contractor just finished installation of new HVAC system with a category 1 furnace (model: GMES800805CNAA).
He originally used a reducer to connect 4 inch exhaust to a 2 inch PVC pipe. He claimed ...
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What is causing these water heater pipes to rust/corrode?
This water heater was replaced by a plumber 4-5 years ago. Within about a year, all the new connections were rusting/corroding.
Did the plumber not sufficiently tighten the fittings?
Is this perhaps ...
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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 ...
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What do I use for backfilling septic pipe leaving my home?
I have a 4" PVC septic pipe leaving my house on the cinder block wall about 4 feet below my house. There was a crack inside of the part where it leaves the house and I need to replace it (from ...
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Water Still Dripping From Sink Even After Cut Off Valve Off
I want to change the faucet on my vanity, so I was cutting the water off at the valves under the sink (image below) - cold works fine, but the hot, even when the valve is as tight as I can get it ...
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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 ...
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How to connect bathtub drain pipe to existing floor drain?
I have this floor drain and I want to connect it to a bathtub drain so basically another pipe. The diameter is about 40mm of the narrower pipe, although it has a thick border.
It is most likely a ...
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1
answer
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How to minimize waterback flow mess when cutting an in-service pipe
The photograph is in the ceiling of the first floor under the home. If the shark-bite is disconnected, a significant amount of water will flow from upstairs to downstairs. Any clever way of ...
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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'...
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Keeping a Threaded Pipe at 90 degrees
I recently demo'd a bathroom that was using a "rustic farmhouse" galvanized shelving unit. I took this unit off and was hoping to re-install. Ideally, the elbows would thread in so when they are ...
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1
answer
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Drylok turning copper pipe green, is it corrosive to metal or copper?
Recently had drylok put on my basement walls and some of it got onto the copper pipe water main coming through the wall - and I noticed that it has turned green under the drylok.
Does drylok and ...
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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 ...
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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?
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Should I run the tap while dumping boiling water?
It seems to be common advice to run the cold water while dumping boiling water down the drain (for example, when draining pasta). A variety of reasons are cited for this, one of which is that it is ...
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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 ...
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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 ...
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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, ...
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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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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 ...
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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 ...
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1
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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 ...
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How can I replace this cast iron tee without increasing the width of the connecting pipes?
The problem is that this cast iron tee sticks out about .5" ahead of the studs. So this is preventing me from drywalling. The cast iron pipe at the bottom is flush with the studs.
So I am looking ...
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1
answer
4k
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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 ...
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5
answers
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How can I fit a pipe inside another pipe?
Does anyone here with experience in plumbing or piping know if a 3/4" pipe can fit inside a 1" pipe to the point where you can slide it in and out like a telescope to make an adjustable stand post?
...
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How can I thaw a frozen washing machine pipe limited access semi-exterior wall?
The pipes for our washer have frozen. I believe they froze in the section that runs through the wall facing an enclosed, uninsulated porch. I currently have the heat cranked in the laundry room and ...
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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 ...
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Is it easy to shorten (cut) this ABS pipe and if yes, how?
I have an ABS standpipe coming out of the wall for the washer drain. I’d like to insert a wye (for condensate pump) and ideally I’d like to shorten the pipe such that the total length remains the same....
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answer
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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
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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 ...
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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.
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1
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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 ...
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2
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How can I tell PEX from polybutylene pipe?
There's a blue pipe (1" diameter) extending ~3 feet from the city water meter before transitioning to 1" copper, then the copper connects 2 feet later to my rusted galvanized. I've run new ...
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1
answer
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Calculating gas capacity with mixed sizes of black iron pipe
If I have a gas meter connected to 50' of 1" pipe and then 30' of 3/4" pipe, it doesn't seem correct to determine the amount of gas available at the end of the run based upon a chart that ...
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3
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How do I seal a cracked pipe using epoxy putty?
So, I have a broken pipe exactly on the L join on the wall. It's a huge crack but no big gap, just a curved crack along the pipe.
At first I thought of replacing the pipe, but it means that I have to ...
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1
answer
1k
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How do I get rid of the sulphur smell from cold water only in one sink?
In my powder room only, I have a strong sulphur smell that comes out of my cold water faucet only. I have a water filtration system for my house but only have this problem in one sink. I have ...
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1
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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 ...
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2
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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 ...
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1
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wire Cat6 cable through PVC pipes
I bought this house with phone cable wiring though PVC pipes all over but no Ethernet at all. I'm wondering if there's a way for me to fishing Cat6 cable through those pipes. Note that it's concrete ...
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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 ...
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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 ...
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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 ...
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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 ...
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1
answer
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Calculating gas capacity with mixed sizes of black iron pipes
How do I calculate gas black iron pipe capacity when I have pipes of a bunch of different sizes connected together? Every single chart I found just assumes a long length of a single size.
In ...
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1
answer
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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 ...
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Best tool and blade to cut 8" pvc
This is my first post.
I need to cut 1' pieces of pvc sewer pipe for a few projects. The pipe will range from 4" to 15" diameter high density sewage (and perhaps fire-rated industrial pipe). I've ...