Leaking Compression Tube / When to Use Plastic Ferrules

Leaking Compression Tube / When To Use Plastic Ferrules – If you’re using a p.e.x. style faucet or toilet supply tube, then you better use the plastic ferrule that’s usually supplied with it. Using a brass ferrule on p.e.x. style tubing could be hazardous to your plumbing!

Happy Plumbing!
Bob

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  1. Can we use steel 2 ferrule compression fitting with copper tube? Both are 1/4 inch. After hand tight how much turn whe have to do for proper fitment?

  2. I just replaced one of my toilet 90 deg water valve the other day and decided just to replace the valve body and re-use the nut and brass compression washer/ferrule (would be hard to remove). I bought my house new all pipings is PEX tubing throughout and the plumber who installed the valves used brass ferrule that came with the valve. It's all about saving money for the plumber contractor and would cost a little more by using the correct plastic ferrule on my PEX piping, it's a one-shot installation, and does not care if the home owner will have to deal with the brass ferrule later.

  3. Thanks Bob! The plastic ferrule recommendation saved my sanity. I had to replace a section of 3/8" plastic tubing for our reverse osmosis system under the kitchen sink. The compression fitting still leaked after 3 attempts with a metal ferrule. The 4th attempt with a plastic ferrule worked perfectly… no leaks, no further adjustment needed. I should have consulted YouTube and you at the start!

  4. Thanks so much for this!! I have a really old home and the supplies are all exposed to the tubs and my drain board sink. Some doofus hooked up blue and red pex and it looks terrible. I'm trying to replace with chrome plated rigid supplies and I'm lost on how to do the transitions. The beginning of this video helped so much

  5. For the rigid bullnose supply lines, what size nut do you need? Or can you use multiple sizes? A toilet had the 7/8" but faucets have the 1/2" connection and the stores only sell one side of the bullnose supply lines. And what sort of fitting do you need the bullnose to fit into? I'm thinking I might want to have a riser terminate into a half inch copper but I don't know what fitting to use for the copper. Do you use any washers with the bullnose before you put on the nut?

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