NIBCO 3/4 in. CPVC-CTS and Copper Slip x MIPT Transition Union C47334HD34 - The Home Depot
Charlotte Pipe 3/4 In. Male Thread to CPVC Adapter - Power Townsend Company
NIBCO 4704 1-1/4" CPVC-CTS Adapter M031700
Apollo Retail 3/4 In. Slip x 3/4 In. FNPT CPVC Adapter - Gillman Home Center
Supply Giant CSDQN056 Male x CPVC Adapter Transition Pipe Fitting Durable Over Molded One-Piece Design 3/4 in. Brass: Amazon.com: Tools & Home Improvement
Zoro Select CPVC Female Connector, Schedule 80, 3/4" x 1/2" Pipe Size, FNPT x Socket 835-101CBR | Zoro