The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [copper-tubing]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
44 views

Installing PEX pipes close to heating vents

We are renovating all the bathrooms in our house that was built in the early 70s. The plumber has replaced most of the copper pipes with PEX tubing. He has not replaced copper entirely and has ...
2
votes
1answer
40 views

how do I replace a single union pressure reducing valve?

I see a 115 PSI water pressure at my home. Looks like my PRV is hosed. I am a complete newbie in plumbing, please take a look at the pictures and help me understand what I need to replace the PRV. So ...
0
votes
2answers
94 views

Can you repair a kinked copper pipe?

I have a copper water pipe which has a mild kink in it, very similar to this photo, not even quite as severe: It is hard copper. The kink itself is not causing any problems but in the future I may ...
1
vote
1answer
43 views

How were these copper pipes attached to the T&P discharge valve likely connected?

In the rental house I'm in now, the T&P release valve on the water heater is connected with copper discharge tubing which exits the garage. See this picture . The right-side of the pipe seems to ...
1
vote
3answers
289 views

Installing propane tank to gas range with strange copper pipe

I am replacing a gas range and the gas line that was connected to the previous range doesn't fit into any of the fittings that came with the installation kit or directly into the range (which is how ...
2
votes
2answers
232 views

Can electrical solder be used for joining pipe?

Some background here: I'm an electrical engineer, working on a project that is likely going to require liquid cooling. As part of the installation of this liquid cooling system, a joint needs to be ...
1
vote
3answers
183 views

How can I cut copper water pipe to add a fitting?

I am used to working with PVC and CPVC, but these are copper pipes that I am thinking about adding in a water cooler that needs a water line. My question is, obviously I can't use the CPVC scissor ...
0
votes
2answers
108 views

Copper to PEX connection

I am swapping out an old pedestal sink for a conventional vanity. Currently in place are some 1/4 pex lines that are run through the pedestal. I want to swap the small pex for 1/2” and am fairly ...
2
votes
2answers
134 views

Copper NPT male fitting: accepted practice to sweat to the inside?

My plumber did this and I'm finding it hard to search about, asking for my next project. Here's an example: the 1/2" side of this fitting is 1/2" male NPT, but you can also sweat a 1/2" copper pipe ...
1
vote
1answer
146 views

Crooked compression fitting: leave be or replace again

I installed my first compression fitting (fridge water line) and when I was all done I discovered that it looks like it is slightly crooked. I'm not sure if this means that I bent the pipe or perhaps ...
0
votes
3answers
745 views

connect copper without soldering

I need to connect bow copper as on the picture with a copper pipe, and I'd like to avoid soldering. Is there a special tool for this?
3
votes
3answers
187 views

Do water lines that contain lead need to be replaced if it doesn't flow out of a valve that I normally drink out of?

A plumber had came to my house to sweat pipes to install a water valve which controlled water going to the garden spigot. Upstream to the valve is a t-joint. The other output to the t-joint went to ...
1
vote
1answer
57 views

How do water piping sizes compare?

Comparing different types of water piping is confusing. It seems that a 1/2" copper pipe is not the same size as a 1/2" PEX tube. I've read different things in different places (e.g. forums). Which ...
0
votes
0answers
2k views

Soft copper Tubing for exterior LP Gas Lines

What are the Copper Pipes Connected to the LP Gas Tanks outside coated with? And is it Code That they have to have that coating on them?
8
votes
1answer
1k views

Why does a water line behind wall of home have capped off areas above supply area that heads out to wall?

I couldn't find an answer to this question using Google. I think it's because I am not sure how to ask the question properly. I am not a plumber but I have seen in my new construction house with cpvc ...
0
votes
2answers
1k views

What threading type is my ice maker shut off valve?

In my new apartment, I moved in to find the water dispenser in the fridge is not working. I quickly diagnosed the issue by moving the fridge away from the wall and finding that there is a water line ...
0
votes
1answer
1k views

Soldered copper vs threaded copper at shower valve

I am replacing a shower faucet. The previous install soldered the copper to the shower valve but I am considering using threaded copper in case I ever need to replace it. What are the pros and cons of ...
1
vote
1answer
521 views

Best foam for copper wiring insulation in split-unit A/C?

I went to home depot to buy foam insulation for my A/C split unit inverter. It's to cover the copper wire (and other wires) that go from the inside unit (in the room) to the outside unit (in a roof ...
1
vote
2answers
651 views

how do I remove copper stain coming from plumbing?

I have that blue stain in my bathtub The stain comes from my plumbing, which probably contains copper that rusted and creates that stain. I tried to remove it with bleacher but to no avail. Do you ...
0
votes
2answers
120 views

Cutting large diameter threads

I have an extensive tap & die set, but they're mainly designed for common bolt sizes. The threads I need to cut are in (and on) metal and/or plastic pipes, or tubes; ranging between ∅49-89mm. ...
2
votes
2answers
1k views

Do I need to separately bond sections of copper pipe connected by push-to-connect fittings?

If I have two sections of copper pipe (water or gas) connected by a push-to-connect fitting (e.g. Shark Bite brand's push-to-connect pipe fittings), is electrical continuity preserved, or do I need to ...
0
votes
1answer
900 views

Why does water come out of the hot supply line when I open the cold?

Removed the water heater in a house we are renovating. I capped the copper line running into the water heater, but didn't see a need to cap the hot water line coming out, figuring it was not under ...
0
votes
0answers
104 views

Finding the copper pipes the radiant floor heating converges

I'm trying to troubleshoot our central heating system in our residential house. Our house was built around the 90s and I've found that we use Radiant Floor Heating. The plans I've obtained from the ...
1
vote
2answers
1k views

Soldering soft copper to hard fitting

I'm trying to solder a soft copper coil to a regular fitting and its not working, (I did already a lot of soldering and never had a problem) is there any tips or tricks for soft copper? Do I have to ...
2
votes
1answer
310 views

Should I upgrade to 3/4" pipe all the way to my new pex manifold?

I have a water meter with a 3/4" supply line that is fitted to an adaptor which then runs 1/2" to all the pipes in my house. I'm in the process of installing a PEX manifold system for some new ...
1
vote
1answer
91 views

can I mount a copper pipe to stone with an epoxy?

how can I mount a copper pipe vertically to a flat slate stone after first drilling into the stone to insert the end of the copper tubing?
1
vote
2answers
1k views

How to seal PVC-U and copper pipes together

How to seal a gap between hard PVC pipe and copper coil as visible on the picture below? It needs to stand small vacuum (45 mmHG = 1.8inHg = 6kpa = 60mbar = 0.87psi). What is the best way to do it? ...
0
votes
2answers
2k 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 ...
9
votes
2answers
2k views

What is the purpose of the valve between these two pipes?

I saw an interesting arrangement of pipes and valves in a house I visited. These are hot water pipes, the two vertical pipes connect to a radiator. What is the purpose of the valve between the two ...
3
votes
3answers
2k views

Copper pipe through cinder block wall: corrosion issue

The pipe in the picture runs from my oil tank through my basement wall and to the outside (guessing it's the vent pipe for when they fill the tank). Should I be concerned about what it going on at ...
1
vote
1answer
449 views

How to remove old A/C piping in my house?

When I had my new A/C installed I moved it to the other side of my house (right next to the furnace), so now I have a bunch of old copper piping running about 30 feet from one corner of my house to ...
2
votes
1answer
4k views

When to use drop ears + nipples, and when to not?

So I know enough to use brass when using nipples on water supply lines (especially if they consist of copper and copper fittings). However it isn't clear to me when it is best to use nipples and when ...
0
votes
2answers
1k views

Can I use a Sharkbite connector to join copper to rubber pipe?

Can I use a Sharkbite connector to connect a copper pipe to a rubber tube instead of PVC pipe? I am trying to make an outdoor drinking fountain. I have run black flexible piping up to a copper T-...
0
votes
1answer
125 views

Why multiple copper tubes joined together?

I found this behind my vanity and shower. I'm sure there is a good reason for the multiple copper tubes joined together into one supply line, but I have no idea. Can someone enlighten me, please? I'm ...
1
vote
1answer
745 views

How to properly attach copper pipe to steel framing?

What is a code-approved way to secure copper pipe to metal framing members which minimizes heat transfer and potential reactivity between the two different metals?
0
votes
2answers
3k views

How to repair pierced refrigerant line in chest freezer?

My idiot friend was screwing brackets inside an ice cream freezer with self-tapping screws, and one of the screws pierced a copper line containing refrigerant. Apparently it made a crazy hissing sound ...
1
vote
2answers
514 views

Home waterline upsizing questions

So I JUST had my plumber replace the service feed to my house with a soft copper 1" dia. line, which was originally 3/4" dia. GSP from the street to the house (~35' as the line lays). I wish I had ...
1
vote
1answer
1k views

Very low pressure at the end of natural gas pipe

In our new house, I found a 1/2 inch natural gas copper pipe that runs all the way from the basement to the second floor, into a small room that used to be a kitchen years ago. The line is around 80 ...
0
votes
1answer
184 views

Bench soldering copper pipe into a subassembly

Is it possible to pre-assemble and pre-solder copper pipes into a subassembly that then can be installed using a threaded fitting? I'd much rather solder the joints either in an oven environment or ...
3
votes
5answers
70k views

What type of copper pipe do I need for a typical LP gas range?

I need to buy ~25' of copper pipe to fix our badly kinked stove line. It looks similar to (but worse than) this pic: I won't be able to measure the pipe for a couple days and the guy at Lowes wasn't ...
1
vote
1answer
2k views

Corrosion on copper pipe: Is this a concern?

I came across some corrosion on a copper hot water line in our house: Is this a potential early warning sign of impending pipe failure? I did some research online and came across multiple ...
0
votes
1answer
2k views

How do I plumb an outside line to a roof deck faucet?

I want to get water from the first floor up along the outside of the wall (with a parapet and projecting coping) to the second floor. I got this working as follows: 1st floor hose bibb -> 4:1 hose ...
0
votes
2answers
11k views

How should I prepare this compression fit copper tube for use again?

(Apologies in advance folks - I'm new to compression fit connections so I suspect this is an obvious question). I'm preparing to reconnect an old copper tube to my water supply line and refrigerator ...
2
votes
1answer
6k views

Are black deposits on the interior of copper water pipes a health concern?

I tried to install a new water heater at home. When I removed the old pipes, I found there's a black deposit in the interior of my copper pipes (both cold water pipe to water heater and hot water pipe ...
1
vote
4answers
7k views

Why would you use copper electrical conduit?

This is not "home" improvement per se, but it fits the spirit of this stack exchange. While waiting for my train I was peeking into a ceiling that had all of its slats removed for some kind of ...
4
votes
3answers
10k views

Need to push fridge back but don't want to squish water line

So I bought a new fridge that happens to be a little deeper than counter depth. After getting the fridge to our house, we realized that our cabinetry is designed for counter depth. We actually like ...
3
votes
3answers
10k views

What advantages does bending copper pipes have over joining many parts without brazing?

These questions are in context of a DIY solar water heater I am planning (another separate question). The copper pipes in question, are supposed to carry around hot water using thermo-siphon mechanism....
2
votes
2answers
14k views

Can I use flexible tube to replace a segment of copper pipe?

I am installing 1/2" copper pipes to supply water to my own new gas heater. The pipes need to pass around corners that are full of obstacles. I am not a professional plumber but know that I normally ...
2
votes
4answers
4k views

Can I branch off of 1/4" copper tubing to a standard hose connector?

I would like to branch off of the tiny 1/4" copper tubing that supplies my refrigerator with water and connect the branch to a hose timer that will auto-water some plants that I have in the kitchen. ...
3
votes
1answer
1k views

Can I reuse cold water copper pipes for hot water?

I have a segment of copper pipe for supplying cold water to my gas heater currently. It runs inside a wall so I don't want to replace it. Now I need to change the piping and want to reuse that ...