F1807 uses stainless steel or brass PEX insert fittings that are crimped in place, using a copper crimp ring, a stainless pinch ring or a stainless sleeve
Uponor LF4577575 Female Adapter
1/2 x 3/4 Lead Free Brass PEX Hose Barb - Male NPT Adapter LF-PEX-125-10E - Prairie Bearing & Bolt
Thrifco 7910074 3/4 Inch x 1/2 Inch Brass Adapter F1807 x FPT Lead Free - PEX (B)
1PEX x 3/4 Male NPT Thread Crimp Fittings
Directly from the Pex Systems Manufacture Certified Fitting Made of Lead Free Brass Compatible with Stainless Steel Clamp & Copper Crimp Ring Systems.
(Pack of 2) EFIELD Pex 1 X 3/4 Female NPT Thread Adapter Barb Crimp Brass Fittings, ASTM F1807
Everflow Supplies part number PSFA1034-NL Brass adapter fitting Meets or exceeds all applicable standards
Everflow Supplies PSFA1034-NL No Lead 1 Female Sweat x 3/4 Pex Barb Brass Adapter
F1960 Brass PEX Fittings – Mainline Collection
Buy Apollo Retail Brass PEX-A MNPT Male Adapter 3/4 In. Barb X 3/4
3/4 x 3/4 Inch PEX Female NPT Thread Adapter Connector Fitting Crimp Brass for PEX Pipe Tubing, No Lead