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Old 05-14-2017, 01:56 PM   #11
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Since you are using Vinyl tubing you don't need a PEX barb. A standard 7/16" ID tube barb will work. (Assuming that is the size tube you have)
So something like this should work.
https://www.mcmaster.com/#4406t63/=17mjk1u

Or put 3/8 compression valve at the PEX and use 3/8" line to extend to the sink sprayer hose this will require a 3/8 comp to 1/4" coupling.
SharkBite 1/2 in. Chrome-Plated Brass PEX Barb x 3/8 in. Compression Quarter-Turn Straight Stop Valve-23057LF - The Home Depot
and

Everbilt Lead-Free Compression Adapter 3/8 in. x 1/4 in. MIP-801069 - The Home Depot
You will also need a 3/8 supply hose used on dishwashers. Or make one with 3/8" tubing and ferrules.
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Old 05-14-2017, 08:15 PM   #12
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External Shower: Spray-Port?

Thanks @telesteve

What I ended up doing was cutting the end off the sink sprayer hose and using a Pex 1/2" to 3/8" fitting to connect the sprayer hose to the vinyl line. Seemed to work ok. I didn't have time to test the water system today but hope to tomorrow. A bit nervous as I've never tried the water system in this van since I bought it five years ago, but it all looks intact.
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Old 05-14-2017, 09:12 PM   #13
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That should work fine.

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Old 05-14-2017, 09:29 PM   #14
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There must be a solution. Probably require 3 pieces. Pex barb to Male NPT, Female NPT/NPT, Male NPT to 1/4" Barb.
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Old 05-15-2017, 08:57 AM   #15
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Quote:
Originally Posted by BrianW View Post
Thanks @telesteve

What I ended up doing was cutting the end off the sink sprayer hose and using a Pex 1/2" to 3/8" fitting to connect the sprayer hose to the vinyl line. Seemed to work ok. I didn't have time to test the water system today but hope to tomorrow. A bit nervous as I've never tried the water system in this van since I bought it five years ago, but it all looks intact.
Sounds simple enough, I tend to over think things like this!
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