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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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Dual kitchen sink disposal causes water to shoot up in non-disposal side, drain connection is horizontal

I have a dual bowl kitchen sink. The nondisposal side drain sits higher than the disposal side. The disposal drain connects to the nondisposal drain horizontally via a tee pipe. Sometimes when ...
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0answers
20 views

Sediment buildup in water heater from downstairs flat

I recently moved into an apartment that was built in the 60's, and can hear a "popping" noise from the bathroom wall, almost constantly. After doing some investigating, it looks to be sediment build ...
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1answer
32 views

Bond CSST to Water Pipe - Allowed in 2017 NEC 250.104(B)?

I am looking to bond out CSST gas line which is in our crawl space of the house (dirt floor) and the copper water pipe is close by. I was wondering if CSST can be bonded to the copper water pipe in ...
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1answer
35 views

Do I need a pump for my sprinkler zones that are minus 70 feet elevation?

I have a water tank on a hill and some lawns to water at the bottom of the hill. The pipe that connects those two is a 2.5" pipe (yes, really) and when I attach a pressure gauge at the bottom of this ...
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1answer
25 views

Metric unit conversion for piping

The German manual of my washer-dryer says it needs a water connection with measurements specified as 26,4 mm = 3/4". Assuming those quotation marks were meant to be prime marks, i.e. stand for inches, ...
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2answers
48 views

Pipe drips water on my exterior porch?

So, there's this pipe sticking out of the wall between my garage and the front porch. Occasionally, an amount of water seeps out of it, enough to pool eventually though I've never seen any water "...
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1answer
18 views

Accessible gas pipe union

I have an 8x8 opening in a wall with a small panel door and currently it holds the supply gas pipe valve for the house. The pipe then exits the wall and becomes exposed in a room. I would like to make ...
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1answer
22 views

How to uncap dishwasher water lines?

I moved into a mobile home that has the spaces and water lines for a dishwasher but the landlord says I would have to have a plumber uncap the lines... can’t really afford the plumber. Can I do this ...
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2answers
74 views

Pipe not straight, touching another pipe - possible fixes

Problem: hearing clicking metal noise when water-based heating is on. Because this sound travels so quick, it was very hard to find the spot, but finally found it - right below the outlet. Opened the ...
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1answer
33 views

Yellow poly gas pipe to copper tubing transition

I need to run a liquid propane gas line from my tank to my house. The house and tank connections are currently copper tubing. I was thinking of using yellow poly pipe for this run, but I haven't ...
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1answer
26 views

How to clear a copper water line in the concrete pad?

I replaced a gas hot water heater. I opened the valve to fill it while the faucets were off.( The gas is not yet turned on.) Then opened the kitchen hot ,of course a blast of air then some slightly ...
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Installing new gas water heater

I want to install a new gas water heater in a different location then my current Electric water heater. It will be more central to both bathrooms. The proposed location is shown in blue here: I will ...
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4answers
50 views

Heat transfer to adjacent solder joints

If I want to remove a soldered joint in a shower valve by heating it and pulling it, would that heat cause damage to the other soldered joints about 2-3" away on the valve?
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1answer
4k views

What is this large pipe coming out of my roof?

I've looked at the other "What pipe is this?" questions, and none of them that I've found seem to match... I don't know what the large metal pipe is (on the right side). Can anyone identify what it's ...
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4answers
805 views

Possible Leak In Concrete

I recently noticed that our outside wall has a wet looking spot around the faucet. I tried looking in the wall at the pipe (from the unfinished basement), but I couldn’t see very far because the ...
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6answers
3k views

Is all copper pipe pretty much the same?

Is there different levels of quality in copper plumbing pipe? I see copper pipe at Home Depot and I assume plumbing supply stores sell it too. Does pretty much everybody sell the same quality of ...
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1answer
44 views

Where to find plastic corner pipe cover

I'm looking for a plastic box with 2 open sides that can be attached to the wall. Maybe about 8x8 or 10x10. I need to cover a PVC vent pipe that curves in the corner of the wall. I just can't find it....
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1answer
19 views

Is my indirect fired hot water heater hooked up correctly?

I have an indirect hot water heater HTP/Superstor SUU-119 and the heating loop looks like this: I am wondering whether this is correct because it seems weird to me that what appears to be the supply (...
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2answers
27 views

Does the circulator in an indirect fired water heater point towards the boiler or towards the tank?

In the manual for my SSU-119 indirect fired hot water heater, the following text seems to suggest that the circulator points towards the tank: On the water heater, the boiler supply connects to the ...
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1answer
67 views

What type of pipe and fittings is this?

I recently had to disconnect the toilet connected to this pipe, and on connecting it back I seem to have accidentally twisted it (despite efforts to the contrary.) This has caused a tiny leak on one ...
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0answers
28 views

how much to tighten 1 inch NPT for water [duplicate]

Have a 1 NPT inch ball valve and associated hardware. How much should I tighten it? How do I know when I'm good ?
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2answers
91 views

How to cap this water pipe so it is flushed with the concrete?

The builder left this water pipe sticking out of the ground. How to cap it off so it is flush with the concrete? Otherwise the top off cap will stick out and create a tripping hazard or the plumber ...
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1answer
59 views

attaching a coupling to a copper pipe

I am trying to install a standing bottleless water filter in my house and the hoses beneath my sink are incompatible with the adapters that come with my filter. My fridge does not have a water ...
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2answers
216 views

how to drill aligned holes in steel pipe?

I need to accurately drill multiple holes in steel pipe (1.25-2" diameter, 65-100 mil wall thickness, about 10ft long). I need to drill a half-dozen or so evenly-spaced aligned pairs of holes all ...
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1answer
27 views

Losing pressure on cold side when other faucet is on

What I have is that when I turn on the kitchen faucet to warm while washing dishes and someone uses the toilet or cold water on another faucet then the kitchen faucet gets very hot. I am on city water ...
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0answers
12 views

Low cold water pressure

On Sunday night my pipes froze. When I woke up on Monday morning a pipe had burst in my well house area. I had a pipe fitter come out and fix it. Ever since then, I have low water pressure in both ...
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7answers
3k views

slow draining bathtub - is a frozen pipe a possibility?

Our bathtub has recently started draining very slowly (bathtub fills with water during a normal shower and takes a while to completely empty). This problem has coincided with winter, and I'm wondering ...
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0answers
59 views

How to adjust shower drain height after replacing shower base?

I just pulled out my shower base to replace with a completely new base. Now I have no idea if the height of this will fit: Few questions: How do I remove or cut this top piece? I assume (C) is the ...
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1answer
36 views

How to ensure shower handle flushed when replacing shower wall to tiled wall

I am ripping off my shower kit and the wall. Before demo, I took picture of the back of the shower fiberglass wall: I plan to install tile. What happen next is to put drywall and then hardie board ...
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0answers
69 views

How to calculate pressure loss on PEX 90-degree elbows?

I'm probably overthinking this, but I need to, as close as possible, determine how much pressure I'll lose with PEX 90 degree elbows. Had a new well pump installed (1 hp, 10 GPM), well guy is wrapping ...
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1answer
74 views

Can I screw a US garden hose into any standard threaded pipe?

Is a US garden hose connector any kind of standard pipe thread? So that it could be screwed into a normal, say, threaded iron or PVC pipe? I've tried a couple samples of what I had on hand and though ...
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7answers
2k views

Repair tiny hole/scratch in copper pipe

I discovered a very tiny hole/scratch in a copper pipe in my basement this morning. It looks like the scratch was caused by a screw that was holding up some wood paneling. The hole is in the middle of ...
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1answer
48 views

DIY copper lamp earthing

I'm planning on building a copper pipe based lamp along the lines of this: https://www.instructables.com/id/Copper-Pipe-Table-Lamp/ I currently have a lamp holder terminal of this brand: https://s-...
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1answer
40 views

fix broken water pipe in garage (burst in winter)

Last winter, the water pipe in my garage was apparently not emptied entirely and burst when the water froze. At least that is what I assume, because when I turned on water in spring, it sprayed out of ...
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5answers
1k views

How long will metal pipe last in earth and concrete

I'm building a fort for my kids out of wood, 8 foot by 8 foot and trying to work out how to make it last. I can't get treated wood, and apparently untreated wood rots within a year of ground contact ...
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0answers
76 views

What is this pipe?

I discovered a 12" diameter concrete pipe traveling vertically from the basement to the attic of a one story house. The pipe is lined both internally and externally with metal. I would like to know if ...
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1answer
41 views

How to fix a leaking pipe?

Kitchen pipe is leaking, I think I have identified the leaking is the red circle. I should not apply glue or any kind of sealant, should I? What if I tighten it with a spanner and it still leaks? ...
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2answers
110 views

Are there long pipes that either increase speed of water or at least do not decrease it?

I need a long pipe of almost 100 m for filling water into buckets at my home from municipal tap provided outside of my home. Many people have to share that municipal tap and hence a hose would allow ...
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1answer
52 views

I'm replacing the under-sink pipes, and I'm confused what connector this is

I'm replacing the pipe under the sink after it cracked. I thought I had figured everything out, but the connector I got doesn't fit due to this non-threaded copper bit above the threads, is it ...
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2answers
38 views

What is the best way to semi-permanently seal and waterproof a pipe containing two cables?

So I have an outdoor water fountain and there are two cables that go from inside the water fountain through a 1" PVC pipe to a dry junction box outside. The cables are for a submersible DC pump for ...
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1answer
24 views

What type of Piping for Reduced Pressure Backflow Preventor for Irrigation System

Looking into installing a above ground reduced pressure backflow preventor for my irrigation system. Looking at many examples and videos online, I saw different types of piping from PVC, Copper and ...
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1answer
25 views

water heater - flow problem

got a new 3 liter instant water heater installed. When the heater is off, water flow is normal. When it is on, about one liter or so hot water flows and then there is no water. What might be the ...
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1answer
41 views

Should I replace amissing insulation over the heat tape on my water pipes?

I recently moved into a mobile home and with the temperature dropping below freezing I wanted to make sure my water line was protected. It has a electric heat tape wrapped around it with insulation. ...
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2answers
682 views

Garbage disposal drain is slightly higher than drain pipe

I bought an old house and this is the old kitchen drain setup: Frankly I never "tested" it before I remodeled the kitchen completely. The old kitchen has drop-in sink and now mine is under-mount. ...
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1answer
48 views

Fixing pipe/tube from dishwasher to disposal

Photos attached. This seperated today and caused a mess. I have no idea how this was originally connected. There is a copper pipe inside of a black tube. I believe the black tube was clamped to the ...
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1answer
43 views

Strategy for replacing leaky tub trap

I have a leak in the trap underneath my bathtub. Specifically, the leak is happening at the union nut of the trap (see red circle in picture). I have confirmed that the nut at the union does not ...
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1answer
587 views

Drain pipe P trap leaking under sink

I removed the P trap and pipe from the old kitchen and tried to reuse it for the new kitchen remodeling: However, it's leaking water at the connection from the white pipe to the metal P trap: I even ...
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0answers
47 views

160mm pvc pipe running through a deep concrete pour - will it crush?

I have am unusual situation. I had to use 160mm pvc pipe to create a wide duct for services connections that must pass about 500-660mm deep through a new footing that's about to be poured. The pipe is ...
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0answers
36 views

Laying down perforated pipe where a fence is to be built on top

I need to install perforated drainage pipe in a line where I have no choice but to put fence posts in also. Can someone advise on a method to ensure the fence post is secure, but the 6" perforated ...
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2answers
178 views

Where to turn cold water off inside the house?

This is somewhat a newbie question as I just bought this house. I assume design of plumbing must be common. So I wonder if I miss something. Below is the "green" valve to shut off hot water into the ...