The Best Way to Wrap PTFE Tape On Gas Fittings - The correct way

In this video I’ll show you the best way to wrap PTFE tape on fittings, especially gas fitings where a badly sealed joint is a high risk.
See my video "Kinds of Joints in Gas Systems" ( • Kinds of Joints in Gas... ) if you want to know why you shouldn't put PTFE tape on joints that seal using compression.
If you liked this video, please share it, give it thumbs up, comment if you have any questions or there is anything you want to share, and don’t forget to subscribe to this channel. And, if you want to receive notifications about new uploads click on the bell next to the subscribe button, I'll be posting more videos soon. Thanks.
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www.sinclavos.cl
Translations & Subtitles
Engineering/Business/Environment
Human Resources
Home Gas Specialist
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[@cheesemons]

You sounds like a documentary presenter from the 40's. Full of information and straight to the point. Thanks for your knowledge! Appreciate your hard work

[@RODsDIY]

Thanks for the comment Davin, although it seems you are saying I'm a dinosaur, I must take it as a compliment. :) Cheers.

[@cheesemons]

@@RODsDIY please take it as a compliment. Some modern documentary can go on for about 45 minutes which can be explained properly in 15 minutes by documentaries in the 40's.

[@RODsDIY]

@@cheesemons Thanks again, no need to explain. I feel honoured by your comment, and it obliges me to work harder in that direction.

[@cyberfuker85]

was looking for the all knowing negative comments. did not find any. thats kind of a miracle on the internet. big up rod

[@RODsDIY]

I remove them 🤣🤣🤣🤣🤣🤣 The truth is, I believe I have been lucky, I don't get that many of those. But yes, there are 2 or 3 down there, or maybe they have removed them out of shame.

[@robnerison9030]

I had a gas line joint that leaked over and over, no matter what I did or how many times I did it. Watched this video and used this technique... no leaks. I will be doing it this way from now on.

[@RODsDIY]

Great! Thanks for your comment Rob.

[@s2perman]

That’s Alota tape baby. But, your explanation as to why is 100% correct, especially in a water or gas application filling every crack and joint. The old school guys have it right, you won’t go back twice for a job that should have been done right the first time. Excellent.

[@RODsDIY]

Thanks s2perman for your comment. Yes, that's the love of a gas maintenance client, he loves you more if you don't come back in a long time.

[@kaywee4200]

Yay I'm doing this myself and nervous and this video and one other are helping me a ton!!

[@1jimopq2]

After watching this video my tiny gas leak to stove was fixed. I kept getting little tiny soap bubbles on test with a very faint smell of gas. I had put PTFE on a copper compression fitting..... Deerrhh. It had the smallest of a leak. I took it apart, removed PTFE tape, made sure it was aligned good, tightened it up and .... BAM. No more tiny leak. Thank you Rod for a great instructional video.

[@RODsDIY]

Thanks for your comment Cardiff. I hope you send that info down the grapevine, because too many people use PTFE tape for anything.

[@baburamabadhran1437]

"CONE OF PTFE " cover to seal. Nice words I like it and very meaningful.

[@RODsDIY]

Thanks for your comment Babu.

[@nycjsw]

Great explanation - I liked how you covered every aspect of it so even a beginner could follow your explanation.

[@RODsDIY]

Thanks for your comment RFP.

[@andersonblanton1108]

This is the best instructional video I have ever seen on RUclips. This guy is a TOTAL BADASS. What a wealth of knowledge!

[@RODsDIY]

Thanks for you comment Anderson, but you should check the meaning of BADASS because it has nothing to do with me or with what I deliver, although I might get mean with those who want to be mean with me. Usually, people harvest what they sow.

[@budducci]

Thank you for not only explaining how to wrap the threads, but why. Great video!

[@RODsDIY]

Thanks for your comment Adam.

[@alexanderbennett858]

Single greatest video on RUclips

[@RODsDIY]

Many thanks for your generous comment Alexander.

[@richardbryant2897]

This method cured a seemly intractable problem with sealing a compressor check valve fitting that had been re-tapped with some rough edges. The conical shape appears to create a tapered fitting that seals perfectly. Many thanks for the very helpful and creative solution.

[@RODsDIY]

Many thanks Richard for your comment. Basically, that's what these videos are for and it makes me happy to know the target has been achieved.

[@socalwoodmarquee]

I started cracking up at his head set and almost tuned out but this guy explained it very well. Thank you sir

[@RODsDIY]

Thanks for your comment SoCal. Sorry if my video expertise is scarcely average.

[@darktheory4897]

Wow really. You're gonna make fun of the old school dude because his headset? What are you, 15?

[@bukakkesteakhouse2077]

@@darktheory4897 he wasn’t making fun of him if anything he was saying he began to judge him and then he stopped when he started listening to him. He was probably commenting on how he looks like he just got done playing CS:GO lol. But the guy has a very solid video

[@GhostAugustus]

Thank you for sharing this knowledge. Makes perfect sense the way you explained it.

[@RODsDIY]

And thanks to you for your comment. Considering it's Halloween I shouldn't be surprised a ghost should haunt my channel, but bringing a treat.

[@johng5529]

Thank you for this I hadn't used enough yellow PTFE because I was concerned of it's thickness. This is the perfect way to make sure there is enough.

[@RODsDIY]

Thanks for your comment John.

[@rsheridan6]

After watching other videos and having my tape slide around the joint this technique is what actually worked.

[@RODsDIY]

Thanks for your comment rps.

[@lostrambler1]

just now undoing the mess I made with winding PTFE tape the way I would do it for water fittings. I am glad I watched your video before installing. You can't be too safe working with gas. Thank You very much.

[@RODsDIY]

Thanks for your comment lostrambler.

[@jimrogers2579]

Thank you very much for explaining everything I needed to know --- I don't normally do this kind of work. Following your advice, I will feel good and safe about the gas range I installed. I'll use this method going forward. Well done!

[@RODsDIY]

Many thanks for your comment Jim.

[@jellyfish_adventures9877]

This was clear instruction with reasons to support it. Much appreciated! I wish my teachers in school taught like this

[@RODsDIY]

Thanks Jellyfish for your generous comment.

[@stevegreenwood664]

Thank you so much. I definitely didn't use enough tape how I did it.
Appreciate the time you -and others - take to share your knowledge.

[@RODsDIY]

Thanks Steve for you comment.

[@chinlim7865]

I tried all the other videos but this is the only video that explained clearly why it works. I tried at least twenty times and water was still leaking until I tried this method which worked immediately. Thanks a lot!

[@RODsDIY]

Thanks for your comment Chin. Yes, it also works with water.

[@wanderingviolet9761]

So very helpful - explained thoroughly and simply.
I need to cap off an unused propane line under my camper van.

[@RODsDIY]

Thanks Violet for your comment. I wont tell you to #StayAtHome, but keep a safe distance while you are wandering. :)

[@carriefindingout1094]

Thanks for the video I didn't know I should have yellow tape for gas good thing I watched your video thanks so much

[@RODsDIY]

Thanks for your comment Carrie.

[@hassanraza8163]

this is called real experience and master class. thanks sir.

[@RODsDIY]

Thanks for your comment Hassan 👍

[@danielliebman5457]

Thanks for the video. Easy to follow directions. Well done 👏🏽

[@RODsDIY]

Thanks for your comment Daniel.

[@azureworks]

It was great advice and instruction. The Lord pointed me to your video today! Thank you.

[@RODsDIY]

Thanks for your comment azureworks. Now you can seal the lord's pipes, he/she's got much too many leaks everywhere.

[@ruchitdesai3494]

Excellent video. Good instruction and technique. Seems like this gentleman has a wealth of knowledge to dispense. Many thanks!

[@RODsDIY]

Thanks for your comment Ruchit.

[@drpeemac]

Thank you for teaching sir...

[@RODsDIY]

Thank you for your nice comment.

[@aelohinjuz]

Very well explained and the reasons. Way more detailed than other videos.

[@RODsDIY]

Thanks for your comment Aelohin.

[@wildcheekymonkey]

dam I almost clicked off in the beganning but then he started it doing it this guy is a G thank u sailor guy

[@RODsDIY]

And thank you wildcheekymonkey for your comment.

[@Escape.Routine]

I came looking for help on the subject and this video answered questions I didn't know I had. Thank you very much Sir

[@RODsDIY]

Thanks for your comment Kliptic.

[@jpvalois]

Thank you! I'll use this technique when reconnecting my RV's furnace gas connection.

[@RODsDIY]

Great, I see you got here before I could answer your other questions.

[@PaulLeBlanc4u]

Great expolanation ROD. Thanks for posting.

[@RODsDIY]

And thank you for leaving a comment.

[@ShaggtyDoo]

Excellent explanation. Thanks

[@RODsDIY]

Hello ShagyDood, thanks for your comment.

[@stefanm67]

Thanks Rod. Very useful.

[@RODsDIY]

Thanks for your comment Steve, happy to have been useful.

[@madfzr]

Thank you for this. Going to use this method for my rv threaded pigtail propane line connection

[@RODsDIY]

Thanks for your comment Madfzr. Have a look at my video on kinds of joints in gas systems, because not all joints require PTFE.

[@stephanM5]

This lays to rest any ambiguity about sealing joints with tape. Very comprehensive information.

[@philparkerus]

Great advice! Thank you

[@RODsDIY]

Thanks for your comment Phillip.

[@Blackshirtsguru]

Now that was very informative and helped me out. Thank you

[@RODsDIY]

Thanks for your comment Rob.

[@ArcanePath360]

I haven't used PTFE in 10 years and needed a recap since my gas regulator has expired. Thanks for this, I will be using this method now. Before I just went clockwise and remember it was very fiddly trying to get it to stay in place on the first turns.

[@RODsDIY]

Thanks for your comment Arcane. Yeah, it's quite frustrating when you are starting your second turn and it all slips away.

[@bradtaylor1766]

Outstanding instruction sir ...

[@RODsDIY]

Thanks for your comment Brad.

[@MJ202020]

Thank you very much great explanation. Best explanation

[@RODsDIY]

Thanks Michael for your comment.

[@firehawk135]

Thank you for the tips

[@RODsDIY]

Thanks for leaving a comment firehawk.

[@WaltWW]

Excellent explanation

[@RODsDIY]

Thanks for your comment Walt.

[@jimwidenroth8816]

He's the Stan Lee of PTFE Tape!

[@RODsDIY]

Thanks Jim for your comment although I'm not here to tell tales, instead I support my knowledge with science.

[@mohdraghib]

Thank you sir.. explained nicely..

[@RODsDIY]

Thanks Mohammad for your comment.

[@workshopsmarriott8484]

Thanks Rod..

[@RODsDIY]

And thanks to you for your comment.

[@fefesforwardfreightllc-ck1ed]

Awesome info simply put had no clue what to do thanks to you now I know!

[@RODsDIY]

Many thanks for your comment FeFe.

[@Alex.todorov]

Was having a small issue with a leaking gas pipe for my bbq after using this technique no more leaking. Super helpful

[@RODsDIY]

Thanks for your comment Alex.

[@melinasparks3268]

This video was awesome. Thanks so much for making it

[@RODsDIY]

Many thanks for your comment Melina.

[@TheSteverad]

good instructive video

[@RODsDIY]

Thanks for your comment TheSteverad.

[@johncuthbert4426]

fabulous job

[@RODsDIY]

Thanks for your comment John.

[@Gitarzan66]

Thank you so much my friend.

[@RODsDIY]

You're welcome and thanks for your comment.

[@karinaorozco3757]

Best explanation!

[@RODsDIY]

Many thanks for your comment Karina.

[@picklesnoutpenobscott3165]

I appreciate you taking the time to share this knowledge. I am putting the fittings together on a propane fired blacksmith forge, and the only instruction was wrap the tape 3 times. They did not even send yellow tape, but white. With your instructions, I feel more confident I shall make a safe and secure connection. I shall test it with my air compresser and soapy water at each join before putting gas into the system.

[@RODsDIY]

It's great to see that someone, who does not work in gas systems, has proper respect of gas connections, seeking the best advice and checking connections before going live. My appreciation to you, and thanks for your comment.

[@picklesnoutpenobscott3165]

@@RODsDIY Just so you know, It tested perfect. I figured I would have a leak or two cause of old lady hands trying to make something tight, but it was a perfect pass. I am sure it was the cones that helped.

[@RODsDIY]

@@picklesnoutpenobscott3165 Thanks for your comment, I believe so to.

[@barryhoneycutt3894]

Worked great thanks from Texas

[@RODsDIY]

Thanks for your comment Barry.

[@bonza007]

Well explained

[@RODsDIY]

Thanks for your comment Greg.

[@Bobbygregstanius]

World class video. Amazing . Well done mate

[@RODsDIY]

Thanks for your comment Steve.

[@desmindw]

Very helpful. I am in process of connecting a new regulator to an old BBQ and shall follow your instructions.

[@RODsDIY]

Thanks for your comment Desmond, bon appetite.

[@ramsesmalae1961]

Thanks for the video very informative..

[@RODsDIY]

Thanks for your comment Ramses.

[@darrenthomson1930]

Good video fella. Everything well explained.

[@RODsDIY]

Many thanks for your comment Darren.

[@bennyaus9308]

Thanks Rod it is vey helpful

[@RODsDIY]

Thanks for your comment Benny.

[@user-kv8wz7ml3o]

This will come in handy for our gas banks!

[@RODsDIY]

Thanks for your comment Christopher.

[@AutodidactEngineer]

I love the way you talk like those 60s radio speakers

[@RODsDIY]

Well, it has to come from somewhere. A 60s radio speaker isn't bad at all.

[@AutodidactEngineer]

@@RODsDIY It sure isn't 😄

[@THELEIFMEISTER]

Great video!

[@RODsDIY]

Thanks for your comment TheLeifMeister.

[@TaoChiKai]

Thank you for sharing you knowledge sir. Greetings from London, UK

[@RODsDIY]

Thanks to you Tao Chi Kai for your comment and I hope it is of use to you in surviving London's costly life.

[@shademaker5847]

Very informative Nice 1

[@RODsDIY]

Thanks for your comment Shade.

[@vidalott]

The most amazingly thorough instructor I’ve come across. You should put your powers to the greater use of society. You could teach Critical Thinking, or Sex Ed.

[@RODsDIY]

Thanks for your comment although you should do some explaining because you seem to touch topics that have nothing to do with this channel. The truth is you'll find all the critical thinking and sex education I can think of in my Channel RODs Analysis. I suggest you watch all those videos and tell me if you find the hidden messages. You'll be surprised.

[@evrik78]

Great video Sea Dog!

[@RODsDIY]

Thanks for your comment Erik. Woof, woof.

[@MauroPereira1000]

Very good tips. Here we have only a crapy white very thin tape, in Brazil... We need to put 20-25 turns.... Is a hell for leakings!

[@RODsDIY]

Hello MSP, thanks for your comment. By what you say it must be the same white tape we have here. I'll give the shout out: ANYBODY IN EXPORTS? GOOD BUSINESS OPPORTUNITY IN BRAZIL: YELLOW TAPE. Hope that helps. :)

[@melodicminute8271]

thank you very much !

[@RODsDIY]

Thanks for your comment Melodic Minute.

[@bataraguru7570]

Thank you Sir

[@RODsDIY]

Thanks for your comment Batara.

[@antonioj123]

Good, I always used sealant with Teflon but never thought of wrapping Teflon around the male end tapered to the end making a cone shape. Thank you.

[@RODsDIY]

Thanks Tony for your comment. I'd give you a heart, but for some unknown reason I can't give hearts on this channel.

[@raymond4794]

Thanks!

[@RODsDIY]

Thanks for your comment Raymond.

[@CoolKD2005]

Very good instructions and this is the correct way to apply tape people :)
I worked with hydraulics for 15 years now and found how much tape you need also come down to the tolerances of the two parts mating together.
Nice one.

[@RODsDIY]

Many thanks CoolKD for your comment.

[@ariftanoli9768]

Thank for that.

[@RODsDIY]

Thanks for your comment Arif.

[@nicholasbrouillard7655]

Thank you

[@RODsDIY]

Thanks for your comment Nicholas.

[@babyviel9393]

nice awesome video Sir

[@RODsDIY]

Many thanks Baby Viel for your comment.

[@officialdjhoody]

Well explained Rod!
Thankyou.
Liked/subsribed. Hope to learn more from you. 👍🏻

[@RODsDIY]

Many thanks for your comment Hoody, and for your subscription (at a time when it's most needed).

[@madphatdopeyo742]

Great video. I just bought a new propane stove and have a leak because I didn't apply the tape right. I'll redo it right this time.

[@RODsDIY]

Thanks for your comment Madphat

[@morebettermedia1721]

well thanks!

[@RODsDIY]

Thanks for leaving a comment, Better Media.

[@bac4998]

Thanks

[@RODsDIY]

Welcome and thanks for your comment.

[@abbasabed8686]

Thanks.شكرا

[@RODsDIY]

You're welcome, and thanks for commenting.

[@cepterone]

anytime you want to make more plumbing videos.. ill watch!

[@RODsDIY]

Thanks for your comment Chris. In case I don't publish any more plumbing videos here, you can find quite a few in my Spanish channel (Backyard Art), some with English subtitles, and even if you don't understand Spanish the images and sequences might be self-explanatory.

[@geromieisom8167]

thank you for being so thorough. Only question is HOW TIGHT should black Iron joints be?

[@RODsDIY]

Thanks for your comment Geromie. Regretfully I've never worked with iron pipes so I can't help you with that.

[@wizzjones]

Hello Rod, great video! Should I use the tape method you show when connecting the usual flexible hose (bayonet fitting supply end) to the back of the the gas cooker?

[@RODsDIY]

Hello Wizz. I must say I had to research that connection. Had no idea it existed. If you look into the parts you'll see the bayonet end enters a bayonet receiver that has an O'ring inside. That O'ring should be enough to get a correct seal. If you don't get a good seal (you find a leak) you should change the O'ring or the fitting. You might fill that end with PTFE tape, but if you stop any leak it will be a fake fix. Inevitably it will start leaking again. PTFE is not used there. At the other end, where it seems you have to screw the flexible into the cooker (LCS elbow) you might need to use PTFE tape if the seal is not achieved using a rubber or fibre washer. If there is a washer there you shouldn't need PTFE tape.

[@fredzep01]

You can't beat experience,

[@RODsDIY]

Thanks for your comment Fred.

[@boisefamilyplumbingllc7287]

Awesome technique, in my opinion with brass we need to be careful , lead free brass nowadays is very soft and will crack with too much tape or force

[@RODsDIY]

Thanks for your comment Boise Family. Yes excess force can crack brass fittings, but using too much tape will not crack brass. If you put too much tape you wont be able to turn the threads using proper tools. If you increase the size of the tool to increase the torque, you can even break steel fittings if you want. But, of course, I'm talking of proper tools and appropriate force. It would crack PVC though, even with normal force.

[@peterrudy9207]

I understand that yellow teflon tape is to be used for natural gas / propane fittings , etc.

[@RODsDIY]

That's the theory some people have, but there is no regulation I know of, regarding it can or can't be used in gas or water. I've heard they shouldn't be used in liquid oxygen, but I don't know if this is just an urban myth. The difference between white and yellow is mainly density, one is thicker than the other so requires less turns. For that same reason, the white PTFE (especially the cheapest versions) tends to tear more easily so can be a bummer when trying to wrap a pipe, and probably has a shorter life between threads (although I have no facts to back this theory). PTFE is plastic so takes thousands of years in degrading, and if well packed in between the threads should do it's job permanently whatever color it is. Fluids different to natural gas, propane, butane and water (i.e. petrol, liquid oxygen) might react with plastic or degrade it but, as I said, I have not seen any technical analysis regarding this.

[@peterrudy9207]

@@RODsDIY Ok , thanks for informing me . I had worked as a plumbers helper and discovered on my own . Thrat to wrap fittings , end being the beginning and to turn the other way, that end staying intact .

[@raypalomarez]

Is there a brand you prefer? Is liquid better than tape? Only changing hose on out door propane burner for cooking.

[@RODsDIY]

I don't know what brands you have where you live, but most probably there is very little difference in quality between one and the other. I have tried to use liquid PTFE, but I've never got the results I expect so I avoid using it.

[@houndsmanone4563]

Thanks Rod. I'm trying to screw together brass gas fittings and I think they're reverse threaded. The very tip of the brass fitting is mashed and i cannot replace that fitting. Hence, the use of tape to connect the fittings. Have a fine week.

[@RODsDIY]

Thanks for your comment Houndsman. Don't know what fitting it is but I feel it might be a fitting that seals by compressing two cone shaped surfaces (most common around here with reverse threads). If that is the case, you should try and find a way to replace the fittings as soon as possible, because using sealing tape wouldn't be the proper solution. But maybe I'm wrong and your fittings are something else.

[@houndsmanone4563]

@@RODsDIY Thanks Rod. It's a Coleman Focus 30 top-tank propane heater and the threads on the base are stripped and I was hoping the tape would be enough to guide it into place but...no joy. I don't think Coleman makes the heater any longer nor can I remove the old fitting. Well, I can find no solution for this dilemma. Thanks again.

[@BackyardArt]

@@houndsmanone4563 I searched for it in the web and ended up in many antiques sites. :) If you can get the base off (unsolder it?) you might be able to get someone to machine a copy. Here in Chile there are businesses dedicated specially to making machine made replacement parts. Just an idea.

[@houndsmanone4563]

@@BackyardArt Thanks much for your research and I too saw several vintage Coleman Focus heaters on ebay. "Vintage" (why they call it that, I do not understand). I guess I'm "Vintage" as well, ha. Again, appreciate your efforts. Enjoyed the conversation. I just subscribed to your channel to show support. Have a fine evening.

[@1hardlock]

Great DIY video but clockwise? I looked this subject up because when young I worked what a plumber that taught me how to do this correctly (I thought) but couldn't remember the process. What I did remember is that he wrapped backward to what you show (counter-clockwise) and started from the end of the fitting I believe. I remember he said to do it this way so when tightening the fittings together, the friction wouldn't try to unwind the tape? Maybe we were working on a reverse thread or something?

[@RODsDIY]

Yes, most probably you were tightening a counter-clockwise thread, otherwise it wouldn't have sense. One just has to visualize how the threads turn on each other to see what can loosen the tape and what will tighten it.

[@1hardlock]

@@RODsDIY
Correct! From your observation, either way, you'd be winding in the direction of the fitting thread direction. (wind tape clockwise, screw on fitting clockwise, etc.)
I guess my point is that I was told it's better to start winding the tape from the END of the fitting so that the tape overlaps itself before any pressure is put on it from the other fitting. Logically it would seem this method would help tighten the tape winding as it is being screwed on instead of wanting to unwind it as you go? You could still wrap extra at the base to achieve your method of excess there to prevent leaking I would think?

[@RODsDIY]

@@1hardlock If one applies logic either if you start at the end of the thread or at the beginning you should always have the tape overlapping in the right direction. The advantage of starting at the end of the thread, instead of at the beginning is that you can hold the end of the tape with your finger to put pressure on the turn and get the first turns of tape stuck together. Otherwise your finger gets in the way, and specially with yellow, thick tape for gas, if you don't pull the tape hard it won't bond, staying loose unwinding while you try to wind. So, either way, you have to hold the end of the tape towards the end while you make the first turn and get the tape to bond with itself and stay in place while you continue turning. And more than have extra at the end, the idea is to get a cone-shape of PTFE tape all along.

[@1hardlock]

@@RODsDIY Thanks Rod, it makes sense. It's great to be able to have this dialog with you. I just got my heater and accessories but have another question if I may. The fittings included already have a white substance already in the threads. It's sort of hard (maybe just old?) and doesn't look to be tape but is called "sealant" in the directions. I'm sensing by it's feel that it may be old teflon tape? Should I wire brush it all off and redo with tape I know is for gas or just add more over the top. Wish I could post a picture but don't think I can here. Concerned as I can't pressure test as is called for. Thanks much!

[@RODsDIY]

@@1hardlock That "white stuff" might be liquid PTFE tape, something I've never seen (as pre-applied). My knowledge of the business (some practices are different from one country to another) applying liquid PTFE tape before selling an appliance is not an appropriate practice. Any sealing must be done by the installer. If it's some contaminant (residues of machining or cleaning or whatever) it should be cleaned off. If you don't know how to check a possible leak, you should call a certified gas installer, he should be able to identify that residue and apply accepted professional practices. Sometimes the fittings that come with appliances bring plastic or rubber inserts to protect the threads, but a first glance should easily give away which is their purpose, and its not to seal anything.

[@MrItsthething]

Don't use PTFE tape on gas lines. Use thread paste.

[@elindigeno1215]

Which way is to leave it on? Down or up?

[@RODsDIY]

Sorry, but I don't understand what you want to leave "down or up".

[@plurplursen7172]

what about boilers? espresso xh boiler??

[@RODsDIY]

I'm not sure Plur, I'm not familiar with boilers, although most probably they accept PTFE just like all water piping, hot or cold.

[@plurplursen7172]

@@RODsDIY I am not sure. There are copper washers. They are suppose to be the "pressure" element and seal.. But I am not sure. And now I have dismantled it all, no one stopped me.. only a 5k$ espresso machine..

[@marxsinfo]

Will it work on fuel ⛽️ line like diesel.. gas no pressure.. ???

[@RODsDIY]

I have never seen it used in connections for fuel or brakes. It might be chemically incompatible. Maybe you can make a test connection you can supervise closely, before using it on the real connection.

[@marxsinfo]

Thank you 😊 I will try it .. looks good so far..on the yellow gas teflon it read petroleum so I tried it so ,waiting now..

[@marxsinfo]

Up date did not work, diesel started breaking down the yellow teflon...

[@RODsDIY]

@@marxsinfo Pity, it didn't work, but great to hear we have clear results with evidence. I suppose that covers any petrol related product. Thanks for the feedback.

[@rayc1503]

@@marxsinfo Permatex thread sealant, it's readily Available on Amazon. I've worked on alot of Fords and this really does the job for diesal oil and air lines.

[@djjayceehousemusic6652]

Some guys did work on our house they did'nt tell us they disconnecting my wash/dryer get this!!!sent some "New Guys"young kid(16) translater to the worker(25)to hook it up.....so no tools no pipe dope!!!!! nothing??????? I said stop(they didnt know shit!!!!!)Guys go to that hardware store and get some pipe dope They brought this tape back In mid covo to the appliances the "young guy"says...."This my first time doing this" (WHAAAATTTT)I asked to see the tape(still no tools OMG)I SAID HEY GET THE FUCK OUTTA MY HOUSEI!!!RUclips "Hooking up a stove using tape you popped up Didn't Do it right at first thanks for teaching me how to do it best way thanks....PeAcE!!!

[@RODsDIY]

Happy my video was helpful. Peace to you also.

[@Wadendawater19028]

I just changed my LP gas valve on my fireplace but haven’t hooked it up yet. I used Permatex and white tape , should I be ok?

[@RODsDIY]

Hi Shelton. I have never used Permatex or any similar compound, only PTFE tape. There are 2 ways to be sure you'll be ok: 1) test for gas tightness using a special manometer and air; 2) Test for a gas leak using a detergent: ruclips.net/video/LWV6F4mr1II/видео.html

[@Wadendawater19028]

@@RODsDIY wow you read my mind. That’s exactly what I had planned once I get it together, I have a “sniffer “ and I’m planning to use soap and water to check for leaks. Thanks for your tips

[@mrzoinky5999]

With that much tape won't the female nut/piece split when tightened?

[@RODsDIY]

Nope, unless it's made of PVC. Brass threads squash the PTFE and push all excess out. In any case you can test it yourself and if it gets to hard to tighten the pieces, put less PTFE on. But make sure it has a cone shape, so it gets hard to turn at some point.

[@timmywow89]

do you use this tape on a gas stove in your home ??

[@RODsDIY]

Hello Tony. The connections inside a gas stove, hob or gas heater don't use PTFE tape and they shouldn't be manipulated by someone who is not a specialist. Some connections (i.e. between a heater and a regulator) might need PTFE tape to seal the threads. Usually, from the stop valve for an appliance and all inner connections are sealed either with fiber gaskets, rubber washers or metal to metal compression joints.

[@timmywow89]

@@RODsDIY ok thx I bought a new stove and im smelling gas from the back I was thinking it was because I wasn’t using Tfet type

[@RODsDIY]

@@timmywow89 If you smell gas, you should immediately close the stop valve for that appliance, open windows and call a registered gas fitter. The leak might be the connections between the stove and the stop valve, but they also can be inside the appliance. If you've just installed it, probably the external connections lack a rubber washer or gasket. With the gas off you can verify if you left a connection without a seal, but your safest option is getting professional help.

[@timmywow89]

@@RODsDIY I will thank you for your help

[@RODsDIY]

@@timmywow89 You're welcome. Feel free to ask and if I can I'll help. I can't always.