I ended up returning this fitting and selecting a 3/4" x 3/4" drop ear elbow that allows the yard hydrant to connect directly to the PEX water lines we are using everywhere else in the project. The flexible poly pipe was not in stock in any of the stores and would have required the purchase of a large roll of material to only use 12" of pipe to transition. Using PEX I was able to minimize the number of potential joints that could cause problems in the future. I'd encourage you (Everbuilt) to also offer a fitting designed for PEX, or (Home Depot) to either stock all the materials needed to use this product or provide better direction on alternate ways to install the yard hydrant.
No, this is not a PEX fitting. It is used only with coiled poly pipe. The barbs are not for PEX pipe, and it will leak. However, with a small section of poly pipe (you can usually buy short sections at your local Home Depot), you could use another poly pipe fitting and adapt to a PEX fitting if you would rather run a long length of PEX pipe.
Thanks for contacting the Everbilt Team. The bottom piece of the hydrant is a 3/4 inch female thread. You should connect a brass elbow to the bottom of the hydrant which connects to the pipe. We have two units in our stores. EBHE7501-75NL or EBHT75NL. If you have questions please contact us at 844-251-7446.