The John Guest grey push‑fit acetal stem adaptor (BSPT thread) is designed to convert a John Guest push‑fit connection into a BSPT threaded connection. Quick and easy to install, the push‑fit system provides an instant, leak‑tight seal without the need for tools, heat, or sealing compounds.

Its precision collet‑locking mechanism grips the pipe securely without causing deformation or restricting flow. The fittings are corrosion‑resistant and fully demountable, helping to enhance system performance and reduce downtime during maintenance.