The Polypipe PolyPlumb Enhanced 15mm Plastic Pipe Stiffener (INCERT15) in black is a high-performance insert designed to strengthen and support plastic pipe connections in push-fit plumbing systems. Engineered with Polypipe’s patented In-Cert feedback technology, it provides a secure, reliable fit that ensures proper installation every time. Ideal for use with PolyPlumb fittings and Polybutylene pipes, it helps maintain joint integrity in hot and cold water, heating, and underfloor heating applications. WRAS and BS 7291 approved, this durable stiffener delivers long-lasting performance and professional results for both domestic and commercial installations.
The PP6415 Plastic Pipe Stiffener 15mm is an essential push‑fit insert for use with polybutylene plumbing systems, ensuring secure, stable connections and improved joint integrity in hot and cold water installations. Designed for easy installation in 15mm polybutylene pipe before joining to fittings, this durable pipe support sleeve is WRAS and BBA approved and ideal for professional and DIY plumbing jobs. Add reliability and long‑lasting performance to your PolyPlumb, PolyFit or PolyMax pipework with this direct‑fit pipe stiffener.
The Polypipe PP6415M 15mm metal pipe stiffener is a high-quality stainless steel insert designed to support and reinforce plastic pipes in push-fit plumbing systems. It ensures joints maintain shape under pressure and temperature changes, preventing leaks and deformation. Compatible with PolyPlumb, PolyFit, and PolyMax fittings, this stiffener delivers long-lasting performance and is ideal for professional plumbing and heating installations.