10 PIECES XFITTING 1/2" PEX X 1/2" CPVC COUPLING, TRANSITION COUPLING, BRASS PEX B CRIMP FITTINGS - BRASS - Amazon.com
Charlotte Pipe 1-in CPVC Coupling for Potable Water Distribution, Cream Color, 100 PSI, NSF Approved in the CPVC Pipe & Fittings department at Lowes.com
1/2" Sch 80 CPVC Coupling (FNPT x FNPT)
2" x 1-1/2" CPVC CTS Reducer Coupling Socket x Socket
2 Pieces XFITTING 1/2" Pex x 1/2" CPVC Coupling, Transition Coupling, Pex B Crimp Version - Amazon.com
Apollo 1/2 in. x 1/2 in. CPVC CTS Slip Stainless Steel MPT Adapter CPVCMA12 - The Home Depot
1/2" Sch 80 CPVC Coupling, FPT X FPT Special Reinforced (9830-005SR)
CPVC Schedule 80, Coupling, Threaded, 1/4 in. to 4 in. Sizes