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Need a quick shutoff or drain for your RV water line? This Flair-It valve fits your PEX pipe and connects to a 3/8" hose fast. Just hand-tighten for repairs, upgrades, or easy draining when you need it.
Need to control or drain a line in your RV's plumbing system? This Flair-It straight valve lets you shut off water or connect a drain tube right where you need it. Just cut your 1/2" PEX, PB, or polyvinyl pipe, slide the nut onto pipe, push pipe onto the barb, and hand-tighten the compression nut. The 3/8" male compression end is perfect for attaching a braided supply hose or drain tube. You can also install 3/8" lines with a ferrule/sleeve and retainer nut (not included) for extra flexibility.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everyone. Steve here with etrailer.com. Today, we're looking at our Flair-It PEX straight valve. It's a stop fitting with a 1/2 inch PEX barb on one end and a 3/8 inch barb on the other end. So folks, a valve stop lets you control the flow of water in your RV's fresh-water plumbing system. And when you have the PEX installed, or on the pex, it would look something like this.
Now you've got two sides here. You've got this side here with the threaded in. This is gonna be your half inch. Your PEX line will go in here. So you'll first put this this in on the pex, and then you'll push everything on here.
You'll tighten it down. And then on this end, that's your three eighth inch standard hose bar. Now, these are gonna work great with PEX pipes on this end, and then over here you're gonna maybe connect those old gray PD pipes, poly vinyl tubing, those kind of things. This is made of a polyoxymethylene construction. It is durable and resistant to cracks and stress cracks.
So as you can see, opening and closing it in there, we will turn the valve inside and stop the water flow as needed. So again, folks, a very simple straight valve stop fitting. I'm Steven. If you have questions about this or any of the products, reach out to us. We'd be more than happy to assist you.
Have a good one.
Ratings & Reviews
Jeffrey
5/7/2026
Very well seems to be well thought out design and durability
James D.
5/7/2026
Mike L.
12/15/2025
I'm sorry that happened, Joseph! I'll have a replacement sent out.
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Brooke M.
3/27/2025
A water leak is never ever fun to deal with. So relieved you don't have to worry about it any more :)