No 9 expanding plug 1.5" pipe female thread

The No. 9 Expanding Plug (1.5" Pipe – Female Thread) is designed for securely sealing 1.5" female threaded pipework in swimming pool systems.

Its expanding design creates a tight, reliable seal ideal for pressure testing, maintenance, or winterising applications. Quick to install and remove, it provides a practical solution for temporarily isolating pipework.

Engineered to ensure a consistent, watertight fit across compatible 1.5" fittings. A simple but essential component for safe and efficient pool system servicing.