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Many fittings, except unions, require the use of Teflon tape.

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Q: Which fitting requires a the use of teflon tape?
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Related questions

How much teflon tape?

The use of PTFE tape depends on the what you'll be using it for. PVC products dont need as much as what a brass or copper fitting may require


Can you use Teflon tape on brake line fittings and can you use standard tappered pipe fittings for hydrolic brakes with Teflon tape?

You do not need tape on any flared fitting, brake or regular. The brake line and the fittings are different size and thread type than regular copper line and fittings. You can't mix them.


Is Teflon tape use able on a fitting in a gasoline tank?

Teflon is inert to gasoline and all petroleum products. The problem with Teflon is it cold flows under pressure so that when tightened (when wrapped around your fitting) it will relax eventually and probably not seal properly. This is not something you want where gasoline can leak.


What type of Teflon tape do you use to join steel pipe to coupler?

If you are running natural gas or propane, gas teflon tape. Otherwise, any white teflon plumbers tape is fine.


Can you use teflon on PVC threads?

Yes you can use Teflon tape or TFE paste. For best results hold tape in left hand and turn male fitting to the right being careful not to let any overhang in the opening so that it may come loose and cause problems further down the system.


Is it importantant to use teflon tape?

Teflon tape is a staple in any plumbers tool box. The tape is water proof and does not gum up, causing problems with connection.


Can i use Teflon tape with brass fittings?

yes


Do I have to use teflon tape to prevent leaks?

There are a number of sealants available to prevent leaks in pipes. If you don't want to use teflon tape, you can use a liquid sealant which will form a seal as it dries.


Is Teflon tape sticky?

No, teflon tape is not sticky and that's for a good reason. -Most people think of teflon tape as a sealant. However it was originally intended for plumbing use as a sealant AND a lubricant so you can get a tighter connection on the pipe joint.


Are there codes for teflon tape for use with methane gas?

Yes


Should you use teflon tape on an outdoor hose connection?

no.


When do I use teflon plumbing tape?

When the local codes allow its use on the piping as some codes do restrict the use of tape