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 Polypipe PolyPlumb Enhanced 28mm Plastic Pipe Stiffener (INCERT28) in black is designed to reinforce and stabilise plastic pipes in push-fit plumbing systems. Featuring Polypipe’s patented In-Cert feedback, it provides tactile confirmation of full insertion for reliable joint integrity. Ideal for use with PolyPlumb fittings and polybutylene pipes, it is suitable for hot and cold water, heating, and underfloor heating applications. WRAS and BS 7291 approved, this stiffener delivers long-lasting performance and professional results for domestic and commercial installations.
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.