- New
QC44F is a Zurn QickTite straight female coupling featuring 3/4" female pipe threads (FPT) on both ends. It is designed for compatible potable-water plumbing systems using PEX, copper, CPVC or polybutylene tubing. The fitting is made of acetal and includes an internal seal. It provides a practical connection between compatible 3/4" female-threaded plumbing components. The fitting is sold individually.