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

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3
votes
1answer
106 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 ...
0
votes
0answers
33 views

Where is this water coming from around my condensate pipe? (super confused)

Okay, so somewhat complicated story. When we bought our house 6 months ago the furnace was brand new but the AC unit was old. AC unit developed a leak that was expensive to repair, so we replaced it. ...
1
vote
2answers
27 views

steel poles with pine shelving - how to fix?

I have little setup that i didnt properly think about it! rush job. I have four Galvanised poles with four pine shelves (900x220x20) sitting on gate-eye tube clamps. The poles go through the wood on ...
1
vote
1answer
29 views

Identifying valve in a flat

I would like to know what is this valve for? I'm guessing it may be water, is that right? The valve is located in a flat in the wall. side question Shall I move it from time to time so it doesn't ...
1
vote
0answers
55 views
+50

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 ...
0
votes
2answers
86 views

What is this green pipe with an open end sticking out of the ground?

I'm looking at an REO property, and I cam across something and have no idea what it is. it appears to be a green pipe pipe in the ground that is open on top. It's on the side of the house, and there ...
9
votes
1answer
536 views

When to replace a toilet's wax ring?

I just bought a new house that was built three months ago. I unfortunately flushed something big down the toilet and had to take the toilet apart, turn it upside down, and fish it out. When I was ...
1
vote
2answers
22 views

Which way to unscrew the behind part of the v pipe?

I am trying to remove the pipe bellow my bathroom sink to clean it (clogged). I made loose the facing screw but I can't the behind one. The one in the red square. I am not sure which way is the ...
1
vote
4answers
94 views

What is the most durable ferrous metal pipe against heat?

***UPDATE***I have researched passive fireplace air heaters. The pipes are configured in a "C" shape. There are between 4-6 pipes joined side-by-side at the top and bottom with plates. The wood and ...
3
votes
1answer
55 views

How is this pipe removed? Seems to have 2 points to be released

I am looking into how I can unclog my bathroom sink. I am looking at the pipe underneath and it seems that it has 2 points that can be used to be released. Why is this? Does it matter which to use? ...
1
vote
0answers
32 views

Can I move well pipe from under front steps and still satisfy Connecticut code?

I have a problem with my well pipe - it leaks in the spring (when snow melts). As you can see from image below - multiple hack repairs were attempted by previous owners. I was going to excavate the ...
1
vote
2answers
43 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 ...
0
votes
1answer
34 views

How can I get a galvanized pipe that was threaded at the hardware store to screw into the fitting?

I had 1" galvanized pipe cut to size and threaded at a large hardware store but they still won't screw all the way into the fittings. When I compare them to the pre-threaded pipes I bought, the ...
0
votes
2answers
28 views

Splicing mesh plumbing pipe

I installed a new faucet. I replaced the old PVC pipe that connected the faucet to the water line with the supplied pipe. The supplied pipes are not PVC. They're instead covered in some kind of ...
0
votes
1answer
44 views

Are those theads setting properly?

I'm practicing some connections on water lines, but I'm a bit worried the parts I have are bad. Here I finger tight the parts and then was able to do just a half turn with the channel lock before ...
0
votes
1answer
22 views

Could condensation happen on unused heating pipe?

So I used a furnace in the old days and now I switched to heating AC. But the old pipes and radiators are still in place. I just discovered that in the corner of the room the lower pipe is very cold ...
0
votes
2answers
120 views

Can anyone ID this pipe?

We're digging footers for a guest house and came across this pipe. It's buried about 12" down, it's orange and about 1" diameter and has raised ridges running lengthwise (you can see them as black ...
2
votes
2answers
121 views

Tube Fitting vs. Flare Fitting vs. Compression Fitting

I am trying to connect a water filter with regular 3/4" FIP inlet and outlet to regular faucet tubes with 3/8" Compression Type female connectors. So, what I need, I guess, is a pair of 3/4" MIP to ...
0
votes
2answers
42 views

Greenish Deposit on Outside of Copper Pipe in Bathroom

I'm renovating my bathroom. I ripped out the floor and I noticed that there is a green deposit on the outside of the copper tubing. Is this a problem? Do I need to have a plumber check it out? The ...
0
votes
2answers
101 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
60 views

Does water hardness affect the life of copper pipes?

We have just completed the renovation works of our old home in Toronto. A short while later the pipes in bathrooms began to leak. The plumber may have used lower quality materials or lower class ...
1
vote
1answer
54 views

Options for fixing leaking polybutylene water service line

The water service line going to our house is leaking. The leak is originating from our lawn down to the street. The plumbers who have looked at it are saying that our pipe is made of polybutylene, ...
2
votes
6answers
100 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 ...
9
votes
4answers
1k views

How to create a hidden plug for PVC pipe

I'm working on building a semi-permanent set of full-size soccer goals. Full-size in this case means 6' x 18'. Because of the size and spans, I'm planning on using 1.5" PVC pipe and fittings. And ...
1
vote
2answers
44 views

Reducing a 3/4“ Male Flare to a 1/2” Male Flare

I currently have 1/2" hose and female flare fittings that I need to connect to a larger 3/4" flare. I went to a local plumbing supply store and the set of parts they gave me seems a little excessive ...
0
votes
4answers
72 views

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 ...
0
votes
2answers
39 views

Fix Vent Pipe leak?

This is the exhaust vent from a gas fired heating system. That drip, right at the joint, started a year ago. I'm assuming it's from condensation, and would otherwise drain back into the heater, ...
4
votes
3answers
1k views

What type of pipe joint is this, and how do I repair it?

The plastic pipe under my kitchen sink is leaking. This top pipe seems to simply be resting on the bottom section. Is this how it is supposed to be? I can freely pull the pipes apart with a little bit ...
1
vote
2answers
118 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 ...
2
votes
1answer
59 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 ...
0
votes
2answers
107 views

What could green covering on a radiator pipe be?

Recently I have discovered the pipe to my radiator is looking a bit weird. From what I can tell, it does not quite look like corrosion, neither like mold. I think I recall there was some green paint ...
1
vote
1answer
29 views

How do I fix a water pipe leak?

My dog has a leash that is by our back porch. About 3 feet over, there's a pipe that goes into the ground. One day she got her leash wrapped around it and started pulling at it. Ever since then, ...
0
votes
0answers
48 views

How do I attach compression fitting to copper pipe that is bent?

I need to replace a compression union on some copper pipe that runs to my water heater. I cut the pipe as close to the old union as I could, then tried to slide the compression fittings onto the pipe ...
0
votes
0answers
20 views

Clay drain pipe repair

I was digging up a foundation and broke some parts of the top sewer pipe. The pipe is encased in concrete so not easy to replace. How can we repair the hole without replacing the pipe?
1
vote
1answer
149 views

Where are these flies coming from?

We recently had a sewer fly infestation caused by having a cracked mortar collar on the rest bend of the soil stack which runs through the upstairs and downstairs bathrooms. I removed a good portion ...
0
votes
2answers
71 views

How to remove hoses that are clamped to a water manifold in a hot-tub

I have a hot tub and a hose of the water manifold cracked off (see below on the second hose from the left that is separated from the manifold, but a part of the manifold is broken off inside). Since ...
0
votes
2answers
65 views

How to diagnose a greywater system backup

In recent weeks I have noticed that the drain pipe from the washing machine has been overflowing into the laundry room. We stopped using the washer thinking that we needed a plumber to come to the ...
1
vote
1answer
343 views

How can I remove a “log lighter” pipe from my fireplace?

My fireplace has a log lighter: What is the easy way to remove it? Can I use WD-40 to loosen the connector?
1
vote
2answers
48 views

Pipe inside pipe to reduce condensation

Cold well water and high humidity cause serious moisture problems on wall pipes in this area of the country. Would like to develop pipe-in-pipe system to carry cold water in the core pipe and hot in ...
2
votes
1answer
194 views

Can you diagnose coolant leak in a refrigerator by blowing hot air on the back?

An "engineer" has recently investigated my 10+ (that's my estimation - we bought it together with our apartment) year old Smeg FB30 refrigerator and claimed that the coolant gas is leaking from the ...
1
vote
0answers
60 views

Should I leave water in my galvanized radiator pipes when permanently removing boiler?

I have switched to using a ductless heat pump for heating and am planning on removing my gas boiler but leaving the hot water baseboard radiators and 65-year-old galvanized pipes (in the crawlspace). ...
1
vote
2answers
204 views

What product will insulate an exterior PVC pipe coming out of the ground with a faucet on it?

We want to insulate from freezing an exterior 24" tall PVC pipe coming out of the ground that has a faucet on it ~ a heated product is not plausible in our situation. Are there other products that ...
0
votes
0answers
92 views

Drain piping diagram for bathroom

This is a diagram of how I would like to do the drainage for a bathroom extension. Does it appear right? If not, why? Both the shower and the toilet are within 6 feet of the wet vent. Thanks!
0
votes
2answers
342 views

What sizes of DWV pipe are commonly used for (very) small residential homes?

One of the DIY projects I sometimes contemplate is replacing the ~45 year old galvanized steel drain pipe in my house with PVC DWV pipe and fittings. There is at least one slow, dipping leak I ...
0
votes
0answers
17 views

multi-family building leaking elbow in tight space inch and a half copper cold water supply

Main water supply for the 16-unit building comes up vertical then flattens horizontally right as it passes through a small opening in a brick/concrete load-bearing wall. Difficult to solder from ...
3
votes
1answer
1k views

Do I need to ground black gas pipe?

The backstory: My HVAC friend, my dad and myself installed new gas pipes in my house after the 40 y/o pipe started leaking. Suffice to say, the old pipe was beyond repair, every retightening of the ...
1
vote
2answers
203 views

Can a plumbing vent pipe be vented horizontally?

I live in NYC and I have a plumbing vent pipe which vents through the roof. The vent pipe however has some "angled" pipes which bring it out into a small section of a bedroom to avoid going through ...
1
vote
1answer
66 views

How can I repair my shower that is leaking from the back of wall?

I had my shower remodel a couple of years back, from plain old shower to now cement tile. Now I noticed that when I go to turn the water on, there is water coming up out from the back of the shower ...
1
vote
1answer
81 views

How can I remove a large obstruction from a storm drain pipe?

This is a hypothetical question, so that I'm prepared if it happens again. Sometime ago someone dropped a ball that was almost the same size of the storm drain pipe (10cm/4in) in it. By luck it ...
2
votes
1answer
145 views

When do galvanized pipes in NYC residential water delivery pipes need to be upgraded?

It was suggested that I ask here. Some residential properties in New York City still have galvanized pipes for the inlet water line. Since heavy metals from the galvanization can leach into the ...