Newbie to working with PEX . . . - Dutchmen Owners
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Old 05-12-2023, 11:35 PM   #1
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Join Date: Nov 2022
Location: grand ridge
Posts: 6
Florida
Newbie to working with PEX . . .

Newbie to RV's in general, actually. But probably better to stick with a particular subject. I have a need to replace some water lines in our new used old Kodiak RV. I'm starting from ground zero with PEX, and in fact never heard the word before today. I can google "how to" articles, but what I am asking here are for knowledgeable recommendations as to what equipment I need to buy in order to get started. Amazon, which is my primary supply place (we live way out in the boondocks), offers a lot of stuff. I'm sure some of it is good, and some of it is absolute crap. That is Amazon for you, and I've learned to live with it. But if some kind soul would take pity and tell me specifically what I need to get started, I would appreciate it. Just assume I know nothing, which is pretty darned close to the truth.



John
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Old 05-13-2023, 02:20 PM   #2
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Join Date: Jan 2018
Location: Beaver Dam
Posts: 895
Wisconsin
You need a plumber. Do you have a friend? Can you make friends with a plumber?

You need a specific set of tools for each part of the job. You need to select from hundreds of tools, fittings, and pipes.

Learning without an apprenticeship or tech school class means learning one step at a time with a lot of do-overs. On the other hand, there is no substitute for hands on experimenting.

Original PEX plumbing used crimped rings to fasten ends to fittings. You need a crimping tool with jaws to fit the tube you are using. You need the correct size ring. All fittings and tubing need to be designed to work together.
https://www.thespruce.com/installing-pex-tubing-2718684
https://duckduckgo.com/?t=ffab&q=pex...llation&ia=web

Purpose designed tubing cutters are essential.

The most important tool is your head. A good head for mechanical things makes all the difference.

Today, there are other ways to work with PEX. One of the good DIY methods is to use "sharkbite" fittings. They are easier for beginners to manage.
https://www.sharkbite.com/us/en/prod...ontent=General

Start by selecting a system to use at your local big box home store. Buy tools and materials. Experiment until you think you have it down. Then begin the project. Plan for do-overs. Inspect for leaks immediately and later to see if things hold.

Assume you will make mistakes. Assume you will end up with tools you did not need. Assume you will end up without tool you do need.

Menard's often employs retired plumbers. The plumbers love to give people advice and know exactly where to find any given tool or fitting. Home Depot, not so much.
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Old 05-14-2023, 06:33 PM   #3
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Join Date: Jun 2017
Location: Wesley Chapel
Posts: 3,066
Florida
If I lived closer to you i'd let you use my PEX tool... but, saying that, you can use a common 1/2" hose clamp instead of a pex crimper since I don't think I will ever use it. pex is nothuing other than plastic pipe meant to withstand water pressure of 40-60~ pounds or so... Make sure you get yourself a good water pressure regulator.

https://www.amazon.com/WINL-Stainles...NsaWNrPXRydWU=

https://www.amazon.com/RVGUARD-Press...31755454&psc=1
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