The John Guest Push‑Fit Polypropylene Stem Adaptor (NPTF Thread) provides a fast, reliable way to convert a Speedfit connection into an NPTF threaded connection. Designed for quick installation, this high‑quality adaptor forms an instant, leak‑tight push‑fit seal without the need for tools, hot works, or sealing compounds—ideal for both professional installers and system engineers.

Built with a durable polypropylene body and EPDM O‑rings, the adaptor offers excellent chemical resistance and long‑term performance in potable water, purification, and drinks‑dispense systems. The advanced collet‑locking mechanism grips the pipe securely without deforming it or restricting flow, ensuring consistent system efficiency.

Fully demountable and corrosion‑resistant, this John Guest stem adaptor reduces maintenance downtime and supports easy system modifications or upgrades. It’s a dependable choice for applications requiring a smooth transition between push‑fit and NPTF threaded components.