Tighten compression fittings firmly with two wrenches to crimp the ferrule onto the pipe (Photo 3). Also make sure the pipe or tube goes straight into the fitting. Misalignment will cause a leak. If the fitting leaks after you turn on the water, try tightening the nut an additional one-quarter turn.
What is the best cap for compression tubing?
Keep the ends of tubes securely sealed with these brass compression caps. Threaded on the inside for a tight seal, the durable caps are made from lead-free, corrosion resistant brass. Perfect for low to mid pressure applications. For use with aluminum, brass, copper or plastic tubing.
What are compression caps made out of?
Keep the ends of tubes securely sealed with these brass compression caps. Threaded on the inside for a tight seal, the durable caps are made from lead-free, corrosion resistant brass. Perfect for low to mid pressure applications.
What is the best way to seal the ends of tubes?
Keep the ends of tubes securely sealed with these brass compression caps. Threaded on the inside for a tight seal, the durable caps are made from lead-free, corrosion resistant brass.
What are compression fittings and how do they work?
Compression fittings are ingenious because you can use them in places where welding isn’t an option. Also, compression fittings can be used on leaky pipes such as broken water lines in an emergency situation. Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut.

How do you put on a compression cap?
1:565:18How to Cap a Water Valve or Fitting Without Leaking - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd then we install these caps and check for leaks to show you how they work. Okay with your mainMoreAnd then we install these caps and check for leaks to show you how they work. Okay with your main water valve shut off and draining the extra water in the system from the lowest point in your home.
How do you install a compression stop end?
1:543:18Compression fittings.How to fit one properly. - YouTubeYouTubeStart of suggested clipEnd of suggested clipAgain put it on there now. And just tight until you fill it stop. That's about it don't push on anyMoreAgain put it on there now. And just tight until you fill it stop. That's about it don't push on any further don't be tempted to to make the nut really tight tight leave yourselves a couple of threads.
How do you install a 1/4 compression cap?
0:432:26How to Install a BrassCraft® Compression Fitting - YouTubeYouTubeStart of suggested clipEnd of suggested clipSlide the compression fitting onto the tube until the tube bottoms out a drop of lubricating oil orMoreSlide the compression fitting onto the tube until the tube bottoms out a drop of lubricating oil or thread sealant will ease not assembly thread the nut onto the fitting hand-tighten.
How do you cap a drip line end?
0:000:50How To Close the End of Drip Irrigation Tubing - YouTubeYouTubeStart of suggested clipEnd of suggested clipSimply slide the figure eight backwards freeing. One side of the tubing. When finished place theMoreSimply slide the figure eight backwards freeing. One side of the tubing. When finished place the free end back into the figure eight and slide it. Forward you.
How do you install a pipe stopper?
2:253:32How to Install a Pop-Up Drain in a Bathroom Sink | Repair and ReplaceYouTubeStart of suggested clipEnd of suggested clipPlace the nut on the bottom of the drain. Reconnect the p-trap and hand tighten both the nuts. NowMorePlace the nut on the bottom of the drain. Reconnect the p-trap and hand tighten both the nuts. Now hand tighten the cap. Finally to test your faucet.
What is a compression stop end used for?
Compression Stop End Caps. Use these brass compression stop end cap fittings to blank off an unused pipe. Compression plumbing fittings do not require solder. The joint is formed by tightening a nut and olive onto a pipe, compressing the olive onto the pipe which forms the seal.
Why are compression fittings so popular?
Compression fittings are ingenious because you can use them in places where welding isn’t an option.
How to tighten a retainer nut?
To ensure that the fitting is properly seated, what I like to do is tighten it ever so slightly, then hit the back of the fitting to ensure it’s seated properly, as opposed to hitting it without tightening it, it would bounce back and not seat properly. Once that’s done, go ahead and start tightening it. Your cue for knowing when they are tight enough is when you start to hear a squeaking noise as you are tightening, this is caused by the rotational friction between all the parts inside.
