Connecting PEX for outdoor building, needs to be frost proof

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Old 09-16-16, 04:54 AM
W
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Connecting PEX for outdoor building, needs to be frost proof

So I am running 3/4" PEX approx 200 feet to an outdoor building (goat shed) for year round water.

I am using a ditchwitch to dig 6" below the frost line and will be using an Iowa frost free hydrant in the building.

My question relates to the connection to the house...

I have an outdoor bib which I would ideally like to use. I understand how the buried PEX/hydrant prevent freezing but where the PEX rises to meet the bib how do I prevent freezing as it is above grade.

I have looked online but see nothing that guides me in how to make the connection such that it is frost proof.

We are in the eastern panhandle of WV with a frost line of 30".

Any help appreciated.
 
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Old 09-16-16, 05:22 AM
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You need to make your connection somewhere inside the house or outside below the frost line. Also keep in mind that PEX is not UV protected so you must bury it or otherwise protect it from sunlight.
 
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Old 09-16-16, 05:24 AM
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Unless your on a slab I'd be running the line below grade and run it through the foundation and connecting in the basement or crawl space to a main supply line.
Hopefully it's a 3/4" or larger line for far better flow.
Add a ball valve shut off inside so if the line needed to be serviced you do not have to shut the whole house off.
 
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Old 09-16-16, 05:44 AM
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Thanks guys, I was hoping there was some form of insulated structure that would allow me to connect outside the house.

Connecting inside the house will be a bear as the basement is finished.

Looks like I have a long weekend ahead of me.
 
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