Keyplumb 22mm x 50m Polybutylene Barrier Pipe Coil Part No: K11731 The Keyplumb 22mm x 50m Polybutylene Barrier Pipe Coil is a premium flexible plumbing pipe designed for use in hot and cold potable water systems, central heating installations and underfloor heating systems. Manufactured using advanced 5-layer barrier technology, this high-performance polybutylene pipe provides excellent flexibility, durability and long-term reliability. Designed to comply with BS7291 and EN ISO 15876-2:2003, the Keyplumb barrier pipe features an EVOH oxygen barrier that helps protect heating systems by preventing the ingress of gases such as oxygen, nitrogen and carbon dioxide. Fully WRAS approved and compatible with all major BS7291 plumbing systems, it is suitable for both domestic and commercial plumbing installations. Keyplumb 22mm x 50m Polybutylene Barrier Pipe Features Part Number: K11731 22mm x 50m Polybutylene Barrier Pipe Suitable for Heating and Potable Water Systems Suitable for Underfloor Heating Systems WRAS Approved Compatible with all BS7291 specified fittings and systems 5 Layer EVOH Barrier Technology Resists Oxygen, Nitrogen and Carbon Dioxide Ingress Extremely Flexible Resistant to High Pressures and Temperatures Tightly Wrapped Coil for Easy Storage Manufactured to EN ISO 15876-2:2003 Manufactured to British Standard BS7291 Fully Recyclable 25 Year Manufacturer’s Guarantee Against Manufacturing Defects Key Features & Benefits Premium Polybutylene Construction – Offers exceptional flexibility for easier installation around joists, corners and confined spaces. 5 Layer EVOH Oxygen Barrier – Protects heating systems by preventing oxygen and other gases entering the system. WRAS Approved – Safe for use with potable drinking water installations. Suitable for Underfloor Heating – Ideal for UFH systems, central heating and domestic plumbing applications. Excellent Temperature & Pressure Resistance – Designed for long-term performance in demanding plumbing systems. Easy Storage – Supplied as a tightly wound coil for convenient transport and storage. 25 Year Manufacturer’s Guarantee – Provides long-lasting peace of mind. Technical Specification Part Number: K11731 Pipe Size: 22mm Coil Length: 50 Metres Material: Polybutylene (PB) Barrier Layer: 5 Layer EVOH Oxygen Barrier Suitable For: Heating Systems Suitable For: Potable Water Systems Suitable For: Underfloor Heating Systems Approval: WRAS Approved Manufacturing Standards: EN ISO 15876-2:2003 & BS7291 Recyclable: Yes Guarantee: 25 Years (Against Manufacturing Defects) Ideal For Central heating installations Hot and cold water services Underfloor heating systems Domestic plumbing Commercial plumbing New build properties Renovation and refurbishment projects Why Choose Keyplumb Polybutylene Barrier Pipe? Keyplumb Polybutylene Barrier Pipe combines outstanding flexibility with advanced oxygen barrier technology to provide a reliable plumbing solution for modern heating and potable water systems. Its durable construction, WRAS approval and compatibility with BS7291 plumbing systems make it an excellent choice for professional installers and DIY projects alike. Why Buy from SNH Tradecentre? Competitive prices on Keyplumb plumbing products Large stock available for immediate dispatch Nationwide UK delivery Trade and public customers welcome Expert plumbing advice Trusted UK plumbing merchant Collection available from our Kent trade counter