Compression fittings: Such a fitting involves slipping a threaded brass nut about the tip in the PEX tube, followed by a tapered plastic compression ring (see on SupplyHouse). A hollow brass tube is then inserted in to the finish from the PEX tube. Hundreds of different types of fittings, usually https://repipecompanies34219.blogitright.com/33428443/details-fiction-and-repipe-companies