compression fittings

[aspiceno]

Further to my comment, the reason I'm asking this is that I am replacing a sink with a porcelain pedestal sink. The good news is that the hot/cold water pipes will be almost directly behind the pedestal sink. The bad news is that the drain pipe will run to the right of the pedestal base. The current black ABS drain pipes will be replaced by white PVC pipes to blend in with the white color of the sink. But what do you suggest I do with the copper part (sticking out about 5 ") of drain pipe?

[ultimatehandyman]

@aspiceno

Sorry I can't imagine what you describe.

Might be best if you join the forum and ask in the plumbing section, you can post a picture of the problem in there! Just follow the link from my channel page ;-)

[aspiceno]

Hello, I have to cut a copper water supply line which runs to my sink (hot & cold).

Then I want to replace it with a flexible supply line, for a pedestal sink. But I need a thread at the end of the copper pipe which I just cut. Can I accomplish this with some kind of compression fitting? Thanks.

[ultimatehandyman]

@aspiceno

You need a flexi tail.

There is a video in the plumbing playlist on how to use them 

[aspiceno]

@aspiceno thank. can you give me the link? 

[ultimatehandyman]

@aspiceno

I can't post links as a comment, but this is the video-

watch?v=7kNXDMLrATM

[aspiceno]

@aspiceno You are a very kind fellow. Thanks a lot.

[TheGamingGook]

you need to use a grease like tot or mirror

[kixo8]

Thanx for help, I am glad people sharing all knowledge. There is always something what people dont know. Not everyone is a plummer right? somebody know this, somebody that,

thanx again!

[ultimatehandyman]

@kixo8

You are welcome.

Thanks for the comment

[kajijiboy]

thanks for the teaching - very helpful!

[ultimatehandyman]

@kajijiboy

You are welcome

[vinceid]

Thanks a bunch from Canada

[ultimatehandyman]

@vinceid

You are welcome, thanks for the comment ;-)

[nhwdk]

Thank youu!

[MrDubSick]

you forgot jointing compound!



[ultimatehandyman]

@MrDubSick

No, I never forgot to use jointing compound. You do not need it, just like you do not need to use PTFE tape ;-)

[MrDubSick]

@ultimatehandyman so your telling me if you are fitting valves onto a radiator you dont need PTFE tap. completly wrong

[ultimatehandyman]

@MrDubSick

Radiator tails are not compression fittings. Yes you need PTFE tape on radiator tails. You do not need PTFE tape or jointing compound on compression fittings. You clearly do not know the difference between the two!

[MrDubSick]

@ultimatehandyman Hahahaha i dont know the diffrence? lol that made me chuckle, ive been a heating engineer for 25 years my friend. ive just seen your other video using 'just for copper' what a load of shit that is! upload a video doing some proper soldering!

[ultimatehandyman]

@MrDubSick

I suggest you go back to school and learn some proper terminology.

Compression fittings do not require jointing compound or PTFE tape. You are clearly an incompetent heating engineer. Now why don't you stick to ripping off old grannies and keep your stupid comments for your mates down the pub.

[MrDubSick]

@ultimatehandyman next time your in the plumbing shop, look at the jointing compound tin and it will say in big bold letters use for brass fittings blah blah blah. so dont try and play me at my own game.

[ultimatehandyman]

@MrDubSick

Of course it does because they are trying to get you to use their product.

Ask the compression fitting manufacturers and see if they say you need to use jointing compound. I think you will find that they will say that you can use it, but it is not necessary!

[adamlycett]

@MrDubSick you are a idiot the olive seals the joint and the compression prevents the water escape they may weep over time but in 30 years i have never seen anyone use jointing compound so do one you troll

[mrmolez1]

@MrDubSick

You are obviously an idiot. You have been trained a very long time ago, trained badly too..

I suggest you update your skills, you are obviously in need of some further education.

If you are plumbing as a form of work, I suggest you stop now, you are going to kill someone.

[sandydogy]

im loving these videos thanks

[ultimatehandyman]

@sandydogy

You are welcome. Thanks for the comment ;-)

[betabloca]

Let it squeak as it tightens - shows it is sealing off. I have never used anything and not a leak in 25 years.

[Mr0papabear]

does the commpression fitting work on central heating pipe ? how secure are they , i mean will they last long time or i need to change them after a year or 2? 

[ultimatehandyman]

@Mr0papabear

They will work on any copper pipe or plastic pipe with the correct inserts.

They should last as long as your central heating lasts- even longer!

[Michele40ish]

Thanks! Big help to two novices.

[ultimatehandyman]

@Michele40ish

You are welcome

[kilmorebhoy]

i'd be rubbing some boss white or water hawk around that olive i can hear it squeaking if its not lubicated you damage the olive

[ultimatehandyman]

@kilmorebhoy

It's not necessary to use either, but if you think it's better you can do!

[doggyme1]

Thanks for your reply. The elbows have brass olives.

[ultimatehandyman]

@doggyme1

No problem, the brass olives are always a pain. The ptfe tape should fix it.

[doggyme1]

I got to fit a elbow and was wondering what do you do if you tighten the nut up and it still leaks.

[ultimatehandyman]

@doggyme1

Is the olive brass or copper?

If it is brass, they take a lot more force to compress than a copper olive.

You could isolate the water to it and back the compression nut off and then wrap some PTFE tape around the olive, then re-tighten the nut.

[jaisawlani]

Thank you youtube!

[1Scuderia1]

Spot on,thanks for that,cheers

[ultimatehandyman]

@1Scuderia1

You are welcome!

[davieg1888]

Thanx for the vids - I've learned a lot from them. I have a question re compression fittings - I have 1/2 inch copper pipe and I'm trying to put a compression fitting for a washing machine hose. I tightened it down, but the fitting still rotates on the pipe. Does that mean it's no good, or should it do that? Can't turn the water on yet to test, cause I've got 3 other uncapped lines at the moment (going to put 2 compression fittings for washing machine, 2 for drain sink faucet)

[ultimatehandyman]

@davieg1888

If the compression fitting can be rotated it has not worked. Are you sure that the correct size compression fitting has been used?

[Scooternz]

Thanks for the video, do you know how much pressure (PSI) a pipe and connection like that can handle? 160 psi?

[ultimatehandyman]

You are welcome. Copper pipe and fittings are not desinged for such high pressure applications. Steel or stainless steel pipe would probably be much more suitable for high pressure like that!

[colonelpotter8cast]

i just did a repair on compression fitting and it still leaks and the nut is pretty tight any ideas

[ultimatehandyman]

The olive could be damaged. You could try wrapping PTFE tape around the olive and threads and re-tighten.

[mprocto1911]

I have a 6mm metal pipe. Where can i find a 6mm compression fitting. imperial sizes are plentiful, but will a 1/4 compression fitting be tight enough on a 6mm pipe?

[ultimatehandyman]

6mm is normally used for compressed air in the UK, so any stockist of Pneumatic supplies will have one. Or are you not in the UK?

[mprocto1911]

No, I am in the US and this will actually be used for a clutch hydraulic line in a car.

[ultimatehandyman]

You should be able to get one over there, but it may be more difficult than over here in the UK. We normally use metric over here, although some fittings are still imperial.

[INJURYCOMP]

Thank you!

[wobblycogsyt]

After struggling to get compression fittings to seal correctly my partner and I decided to approach it scientifically and find which fitting method worked best. The method shown here is the only one that consistently produced a good seal. Our testing showed that a 1/3 to 1/2 turn after hand tight was always enough to make a seal that would hold mains pressure water. Our mistake in the past was overtightening.

[ultimatehandyman]

You are talking complete nonsense. You do not need anything at all to seal a compression joint apart from the olive. If your joints leak it is because you have not tightened the nuts enough, or you have overtightened them!

[187maker]

wow he has no idea what he talking about you need Boss White and hemp or it will leak and you shud compress's it

[zakzak000]

Boss white and hemp!? That is used on LCS only, and not for wholesome water either. As stated by UHM you need no additional sealing products, maybe only PTFE round the olive only for disturbed joints.

UHM Great vids - Tell me are those Water pump pliers Rothembergers? Need a new set my Bahco ones are pants!

[ultimatehandyman]

The water pump pliers are C.K. and are 12" long. They have been a good pair and work great!