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

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0answers
8 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). ...
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2answers
37 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 ...
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0answers
18 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!
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2answers
44 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 ...
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0answers
10 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 ...
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1answer
189 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 ...
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2answers
54 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 ...
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1answer
44 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 ...
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1answer
42 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
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1answer
130 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 ...
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1answer
57 views

how to patch minor leaks at cast iron sewer pipe's joint

please see attached image, I am not sure whether it's a leak where the metal is split, or whether its corrosion where the liquid seeps through the metal. I am looking to patch this, somehow, can ...
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3answers
116 views

What sort of a drain pipe is this?

I dont even know if drain pipe is the right word. We have this little pipe jutting out of the wall in our back yard. It keeps dripping water. Its a new unit/apartment in Australia and the builder ...
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2answers
60 views

standard garden tap size (US)

I am building a garden irrigation system which is directly connected to a tap. In Europe the garden taps are usually BSP 3/4" (http://en.wikipedia.org/wiki/British_Standard_Pipe). It would be great to ...
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0answers
18 views

Correct piping for summer water supply outdoors?

I have a summer cottage, which is not used in winter, when the temperatures can drop to -20C (-4F) and lower. Currently for water supply there is some existing ~7-9m (29ft) driven well (I hope ...
4
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2answers
630 views

Old solder joints are failing

Working on a small cottage by the Delaware Bay. Last year I had to repair the plumbing in the two bathrooms because the solder joints pulled apart. This year some pipes fell out under the house ...
3
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1answer
106 views

UK to East European shower pipe converter

I bought an UK shower while doing my refurbishment of the flat in Latvia. Unfortunately, only after the tiles and pipes were installed the plumber told us that the UK shower "doesn't fit". This is ...
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6answers
90 views

3" conduit with many bends - is it worth to build it?

I am working on sending some cables (RG6, Cat5 and speaker cables) from basement to the attic. This is a typical 2-story house. After reading some posts found over the Internet, I am now considering ...
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1answer
46 views

Quarter turn connection for plastic tubes — Design idea request

I'm developing a 3d project using AutoCAD 2013 and I would like to request ideas for a specific problem. It is not for a commercial project. It is about how to connect two hollow plastic pipes using ...
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0answers
61 views

Storm drain sizing for gutters and driveway runoff

I have about 1200sq feet of my roof going through two gutters on one side of my house which empty the water on the lawn. I also have a driveway and front yard that slope down towards my house (this ...
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0answers
26 views

bathroom sink drain line

My bathroom sink drain was clogged. Since drain stop had been out, figured something fell down hole into p trap. Anyway, when I went under sink, learned P Trap piece was connected to pipe with ...
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1answer
84 views

Pipe seized to inaccessible coupling - how to attach a new pipe? [closed]

I have updated this question with additional detail - it is not a high-pressure steam environment; it only operates at 115 PSI. Apologies if this is off-topic here. It's less "home improvement", more ...
2
votes
1answer
51 views

How to fix a garbage disposal pipe leak?

I have a slowly dripping joint where the disposal meets the drain pipe. I want to fix it myself and thought to just seal it with some sealant. What sealant should I use and/or should I not seal it, ...
0
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1answer
229 views

How to connect kitchen sink PVC J pipe to flanged drain pipe?

How do I connect the PVC J pipe to the drain pipe in the kitchen sink? The drain pipe has a large flange on it. Because of the size of the flange, when using a flanged "top hat" washer, the nut ...
2
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3answers
297 views

Hot water pipe sticking up in back yard?

Found that a copper pipe coming out of ground in back yard is the Hot Water pipe for the house. Turn on the Hot Water, the pipe gets hot. It is sticking up out of the ground and think this is NOT ...
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1answer
62 views

New Propane Run

I just had a new propane tank installed, however before the company would put in the tank they said I needed to replace the flexible copper tubing with the appropriately sized black pipe or CSST. They ...
1
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1answer
118 views

What's the best way to seal a small leak on a sprinkler pump inlet PVC pipe where a siphoning system has been tapped?

On my sprinkler system I installed, about 4 months ago, a system that siphons, from a large tank, a mixture of fertilizer and iron stain inhibitor. The system works fine but it had to be installed by ...
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0answers
82 views

Stop water leaking from polypropylene pipes joint

How to stop water leaking from the joint (fitting) of two polypropylene pipes for water. The connection between the two pipes is made by heating the pipe end and the inside of the fitting and then ...
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2answers
200 views

Sink drain plumbing pipes won't connect

I'm installing a new sink and as its visible from the picture the pipes are not aligned and sink pipe is not long enough as well. The pipe coming out of the wall is pretty solid so I didn't try ...
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1answer
45 views

Plastic central heating pipe - cover up in built-in cupboard

I have a built in cupboard which has plastic water pipes travelling vertically up the inside (supplying a small radiator in the loft). I want to cover them up because they're ugly, awkward and also ...
2
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2answers
631 views

How to cut angled pipe for a segmented/lobster back bend?

I'm trying to create a segmented/lobster back bend out of some straight sections of 200mm diameter acrylic pipe, like so: As you can see the bend is made from two types of parts: Part 1, which is a ...
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2answers
89 views

Bathroom above the Garage

Is it advisable to build a bathroom above the garage? What kind of obstacles might we face if there is a bathroom above the garage in terms of piping, insulation, etc.?
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4answers
351 views

What is this pipe coming up out of our driveway?

Bought a house last week, which -- Canadian winter -- had been mightily surrounded by snow, including in the driveway. Today, with the snow melting, I saw this in front of the garage door. It extends ...
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1answer
101 views

Can I insulate PEX pipe in a crawlspace with fiberglass insulation?

I have PEX pipe hung under the floor joists in my crawl space. I am inclined to cut fiberglass wall insulation R-14 into strips and run it under the pipe.That will encase it as the floors are well ...
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1answer
88 views

How to fix hole in yard with/from burst irrigation pipe?

I had the end cap crack on a 2" irrigation line buried 1-2' underground. It sprayed downwards, clearing away 2' of dirt vertically (3-4' total downward now). I found an area about 3-4' away from this ...
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0answers
12 views

hydronic baseboard freezing problem

When using a woodstove, the hydronic heating system never kicks on. That can lead to frozen pipes in uninsulated walls. I've heard of Thermogaurd, but its not a smart system, i.e., it uses a timer ...
2
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3answers
169 views

How do I tell if a pipe running through a cinder block wall is leaking?

I ran a cpvc pipe through a cinder block exterior wall to put a spigot in. I don't really have access to the inside of that painted cinder block wall where the pipe enters the cinder block. It just ...
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0answers
112 views

Cut pipe or remove ferrule using tool when replacing compression valve?

I have been changing the valves under my sink and I was wondering what is the best course of action? I've attempted to remove the ferrule on two of the pipes and it wouldn't come off. (I had no tool ...
2
votes
1answer
225 views

If pipe has been frozen for a week, should I call a plumber?

I noticed my cold water lines to the upstairs bathroom were frozen last Monday. After leaving the heat cranked high, the toilet and the sink thawed. But the cold water line to the tub is still frozen. ...
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1answer
76 views

Can I glue poly supply line to a connector?

I just bought a new house. The PVC connection to the foundation watering drip line snapped off because of ground movement. I bought several 1/2" parts (black) and connected the PVC back up to the ...
1
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1answer
128 views

Cold Water Line frozen, should I leave cold water faucet open?

It has been really cold in DC lately. My thermostat is broken, so it goes to 77 degrees no matter what I set it to. I tried to get it fixed, but it ended up being a waste of $50 because they just ...
3
votes
1answer
281 views

Gas pipe to dryer has wrong adapter

A gas tech had told me that we have a wrong type of adaptor connected to steel elbow. See image below. The gas tech pointed to the elbow joint, but did not tell me what kind of joint I needed to ...
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0answers
105 views

How to unclog water pipes clogged with algae in well water system in Florida?

My house is on well system, and it seems that algae build up is now affecting my water pressure. All pumps pressure are fine. It started suddenly with one facet and now few days later seems like is a ...
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2answers
176 views

Should our kitchen sink vent through the roof?

Our kitchen sink vent pipe goes up through the ceiling but not through the roof, should it go through the roof?
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0answers
85 views

How can I determine which pipe is the drain and which is the vent in rough plumbing?

My basement has the below slab drains pre-piped, but just capped off. Coming up through the slab is a 4" cast iron pipe (toilet), (2) 2" pipes sink/vent and then a 10" or 12" square filled with stone ...
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3answers
717 views

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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2answers
444 views

How do I remove paint from pipes?

I have exposed piping throughout my condo that is used for the sprinkler system. It has been painted white. I would like to remove the paint and leave the pipes in their natural color. The building ...
4
votes
1answer
287 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 ...
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0answers
44 views

How can I prevent my condensation tubing from freezing outside?

I apologize if I missed the answer for this. My plastic condensation drain tube froze outside and the water in my condesation pump could not drain correctly. I hardly touched the tube and it snapped ...
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0answers
34 views

Will this connector seal without a washer?

I want to buy this Connector This is a BSP G 3/4" to 1/2" parallel connector(no tapering). See also ISO 228. These type of connectors are supposed to seal through the use of a rubber washer. Do I ...
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1answer
60 views

The soil over the pipe from the well is subsiding

The soil over the pipe from our well to our house has been subsiding for the last five years. I'm looking for advice about what might be causing it and what I can do to fix it. There are about 100 ...