Questions tagged [copper-tubing]

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2 answers
86 views

Fitting needed to retrofit a dishwasher water supply line on copper pipe?

I'm slowly working on installing our dishwasher in a house that didn't have one before. We had an electrician do the wiring and I replaced the sink drains to add a dishwasher wye last week. I am ...
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1 answer
66 views

Is it ok to split the hose bib for underground irrigation

I'd like to install an underground irrigation system for 4 zones. There are 6 - 7 sprinkler heads with Hunter MP rotator nozzle per zone. The main poly pipe will be 1" and it runs to the most 1/2&...
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197 views

Running line set for minisplit through soffit

I am installing MrCool DIY minisplits. I am wishing that I had just hired a professional, but unfortunately I'm too deep into this to change course at this point. My question is whether it is okay for ...
2 votes
1 answer
77 views

is there a more clean way of installing a refrigerator water line?

Quick back story. My refrigerator sits in an alcove and is getting is getting surrounding cabinets. I ripped out the sheetrock behind it, and plan on replacing it with 3/4 plywood to make the ...
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Kitchen faucet help: 3/8 supply to 1/4 copper pipe

I am new to plumbing with metal pipe having only done DIY stuff with PVC and similar pipes (irrigation and aquarium plumbing). We just moved into a house, and my kitchen water supply valve has I think ...
1 vote
1 answer
738 views

reuse copper water line for fridge

My current fridge uses copper water line. I ordered a new fridge from Costco and it will be delivered in the next couple of days. Costco offers free haul away and simple installation. I highly doubt ...
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1 answer
129 views

Copper pipe drain hole attachment to blow out water line?

Trying to winterize better. Copper pipe feeds normal garden water hose. How would one attach an air compressor Attachment to thread on here to blow out water line? to this to blow out? If you ...
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-1 votes
1 answer
82 views

Do Autocutters for HVAC copper tubing exist?

I have an 1/2" HVAC copper tube I need to cut in a tight space. I see lots of 'autocutters' (the rounded cutting devices) for regular copper plumbing, which is measured by ID. Do these cutters ...
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0 answers
147 views

Can I use a liquid line with a slight dent?

Installing a mini-split in the US. On the indoor units, the liquid line coming from the unit is 8mm, not 1/4, though it has 1/4 flare fitting. Trying to bend the line into position, I've indented the ...
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-1 votes
1 answer
96 views

Lineset sizing for multi-zone mini-split

I'm installing a 48k multi-zone mini-split in the garage. The zones are 18k, 18k and 12k. All of the indoor units say they require 1/4" x 1/2" linesets in the install manuals. The ...
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1 vote
0 answers
344 views

How can I decommission a copper pipe through a concrete wall?

A previous owner of my house installed a 1/2" copper tube gas line through the basement wall beneath ground level to install a grill, which an owner after him removed, leaving the line buried. I ...
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1 answer
270 views

My copper water lines burst, was that actually a good thing for the steel pipes around them?

I have an external water heater in a contained closet with two copper pipes, 1", running up from under the house to the fittings, through the water heater, then back down again. Coming back home ...
0 votes
1 answer
271 views

Fix pinhole leak on shower mixing valve

I tried removing the bonnet nut from my old Delta style shower ball valve. I tried blow torching a bit, but in the end used a plumber's wrench and ended up twisting the thin copper pipes from the ...
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2 answers
1k views

What is best way to crimp a 1/4 inch copper pipe

I need to cut and seal off a 1/4 copper pipe (that contains a gas) so that it's air tight. I bought a crimping tool and a cutter. I plan on heating the pipe, then using the crimping tool (which ...
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1 answer
760 views

Does a copper or brass 1/2 or 3/4 to GHT fitting exist? [closed]

I have been searching for this for some time and maybe someone else has seen one. I am looking for a normal 1/2 or 3/4 sweat to 3/4 male GHT (garden hose threaded) fitting, needs to be brass or copper....
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0 answers
122 views

How to cap a copper water line to a fridge without turning off water valve

I'm in kind of a difficult situation, I'm moving out of my old apartment and I need to get the fridge out but there is no water shutoff valve in any of the units in my complex. It's an older building ...
0 votes
1 answer
210 views

Copper line to fridge

The copper line in my fridge is cracked and now is leaking, we’ve turned off sadder line and is still leaking a lot. How can we get it to stop leaking without replacing? We don’t mind if our ice-maker ...
0 votes
1 answer
466 views

Can copper pipe support minor bends and creases?

I have a male threaded adapter for steel pipe on a 3/4" copper pipe. When twisting an extension steel pipe on the fitting, I applied a bit too much force and that slightly bent and creased the ...
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3 answers
495 views

What to use a 90 and when to two 45s in copper piping? [closed]

I'm replacing the tubing for an outdoor hose and in the wall I found what you see in the picture below. Why did they use two 45s and not one 90? Is there a general guideline for when to avoid 90s in ...
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1 vote
1 answer
99 views

How to unscrew this spigot?

(From my earlier posts, you may have learned that I had several different bibs cause several different floods in different parts of my house. Each instance posed its own unique challenges. This is a ...
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1 vote
1 answer
1k views

Should I paint copper pipes exposed to nature?

I'm using copper piping -- about 5 feet total -- externally, to make it easier to water the grass. In addition to copper pipes, the connectors and valves are brass (Sharkbite). Should I prime/paint ...
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2 answers
5k views

Can I raise an A/C Unit and platform up maybe 5 inches without disconnecting anything?

I know there is refrigerant in the a/c unit. I know there is a copper wire connecting the unit to the house. From what I am reading and from the videos I have watched, I can put a 4 by 4 under the ...
0 votes
2 answers
3k views

Sealing a water pipe leak with hardening compound without disassembly

I would like to seal a threaded fitting without disassembly. In the past, I have used some kind of hardening substance that could be used to stop leaks on water pipes. This is, of course, not "...
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2 answers
4k views

Straightening a bend copper tubing of an air conditioner filled with refrigerant

I have a bent copper-tubing of an air conditioner filled with refrigerant that I want to straighten (because I need make some space for mounting a curtain rail). Now, I'm fully aware that it is not ...
1 vote
1 answer
231 views

attaching a coupling to copper pipe very close to wood

I have a copper pipe connected to a pex pipe by a leaking sharkbite fitting. I'd like to replace the sharkbite fitting with something more permanent. However I'm not sure if it's safe to use a ...
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1 vote
1 answer
5k 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 coupled ...
2 votes
1 answer
774 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 ...
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2 answers
3k 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 ...
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1 vote
1 answer
879 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
3 answers
3k 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 ...
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2 votes
2 answers
6k 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 ...
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1 vote
3 answers
2k 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
2 answers
258 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
2 answers
674 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 ...
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2 votes
1 answer
567 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 ...
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0 votes
3 answers
985 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?
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3 votes
3 answers
254 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
1 answer
392 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 ...
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0 votes
0 answers
3k 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
1 answer
7k 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 ...
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1 vote
2 answers
6k 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 ...
1 vote
1 answer
2k 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
1 answer
1k 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 ...
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1 vote
2 answers
2k 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 ...
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2 answers
450 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. ...
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2 votes
2 answers
3k 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
1 answer
2k 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
0 answers
161 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 ...
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1 vote
2 answers
3k 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 ...
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2 votes
1 answer
417 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 ...