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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13 views

Arranging and venting a waste pipe branch

I recently got ground floor piping extended to get drain, hot and cold in a first floor room. Only the pipes are there, but I'd like to install a sink and a washing machine as from the (VERY schematic)...
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1answer
45 views

Max water pressure of clear acrylic pipe?

I'm trying to diagnose an air locking problem with a power shower. It's currently fed by 15mm white plastic (type unknown) pipes for both hot and cold. I'd like to replace these with clear rigid pipes ...
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1answer
43 views

How to connect two different height water tank on pump?

I have a two.different size water tanks, 1500 liter and 500 liter. Both water tank height and width is different. 1500 liter tank width- 49.5” height- 56” 500 liter tank width- 36.5” height- 36”...
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2answers
149 views

What is this pipe in my garage for?

I measured it and it would come out under the cement where I approximately marked in red in the next picture. The main house sits on the other side of that cement walkway. My only guess is it has ...
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2answers
51 views

Is tape an effective way to hold on a foam elbow?

So, one of the things I want to do around these parts is insulate (lag) the hot water piping in this house's basement to the best of my ability (especially since part of it is in a crawlspace that's ...
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1answer
83 views

is this Asbestos? or anything dangerous?

In my garage there are some water pipes I believe that have a wrap around them and in some places its expanded and opened. Now I am worried if its asbestos. Its yellow and looks puffy. I near a water ...
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0answers
14 views

Question about replacing threaded brass plumbing fittings having one union

In front of my old 1950s house, I have the main water pipe coming up from the ground, going through a pressure reducer, shutoff valve, and hose spigot before two right angles then going into the house....
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0answers
28 views

How to seal straight-thread faucet shank / nipple to the faucet?

I have a faucet which requires installation of a separate threaded 'shank' or nipple which acts as both the water supply inlet and also is used to anchor the faucet to the sink deck. These are ...
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36 views

Broke outdoor spigot from its pipe, discovered pipe is PVC instead of metal. How to repair this?

This spigot comes out of my walkout basement wall outside (with plastic sidings). It had this stupid anti-siphoning attachment that restricted water flow, so I tried to twist that off and broke the ...
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3answers
64 views

What to try next when pipe joints leak with both thread sealant and with teflon tape?

I am plumbing a couple fixtures (a water heater and a shower) with pex and a few threaded fittings (at the heater and shower fixtures only). At first I used teflon tape (3-5 turns in direction of ...
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10 views

Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
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1answer
35 views

How to make an underground connection to 4 inch clay drain pipe

I need to connect to an existing 4" clay drain pipe opening that will be underground, and I don't want dirt/sand to enter the joint. Are there connector pieces that form a tight joint? For extra ...
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1answer
76 views

Water Main coming into house - is just super cold and keeps the basement cold

Just getting out of the winter, although it keeps snowing here in Chicago. Recently moved into a new home, and have a concern regarding the main water line coming into the building. The water line ...
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1answer
56 views

What is this pipe in my basement?

I have a lot of water coming into my basement from a line that is next to where my water pump feeds into. It has been raining a lot lately. I found a pipe in the basement that looks like it could be a ...
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1answer
60 views

Stopping sewer smell

I have a sewer near the house where two sewer pipes meet. The problem is that it's been built badly and a lot of sewage remains there instead of going in the 3rd pipe. How could I make it go through ...
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0answers
34 views

1/4 inch plastic water line to 1/2 inch refrigerator connection

I am on the last step of installing a reverse osmosis water filtration system underneath the kitchen sink. After the water is filtered, I have two options; connect the final blue 1/4 inch outer ...
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1answer
34 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'...
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2answers
61 views

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
25 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
55 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
55 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
31 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
67 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
30 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
23 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
77 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
40 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
54 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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0answers
15 views

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
61 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
807 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
48 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
20 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
33 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
68 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
30 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
114 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
67 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
839 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
31 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
14 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
106 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
38 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
100 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
126 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
65 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-...