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 22mm Plastic Pipe Stiffener (INCERT22) in black is built to reinforce and stabilise plastic pipe joints in push-fit plumbing systems. Designed with Polypipe’s In-Cert feedback mechanism, it gives assurance of full insertion to protect against leaks and ensure durability. Compatible with PolyPlumb fittings and polybutylene systems, it is suited for hot and cold water, heating circuits, and underfloor setups, meeting WRAS and BS 7291 standards.