16mm Pex-Al-Pex Underfloor Heating Pipe – WRAS Approved – 5-Layer Composite – 50-Year Guarantee

This 16mm Pex-Al-Pex pipe is a high-specification 5-layer composite pipe, engineered specifically for underfloor heating systems.

More advanced than older PEXa and PEXb designs, this pipe features an aluminium core that offers form stability, ease of bending, and complete oxygen diffusion resistance, protecting your heating system from corrosion and sludge build-up.

Its outer Pex layers provide flexibility for installation, while the inner aluminium layer maintains shape and performance under high temperature and pressure. WRAS certification ensures suitability for potable water and heating applications in both residential and commercial environments.

🔧 Key Features:

• 16mm Diameter – Standard UFH Pipe Size
• 5-Layer Pex-Al-Pex Construction
• Service Temperatures: 40°C to 95°C
• Max Working Pressure: 10 bar
• Aluminium Oxygen Barrier
• Flexible & Formstable – Retains Shape When Bent
• Safe, Fast Installation
• WRAS Certified – Suitable for Drinking Water Systems
• 50-Year Manufacturer Guarantee

❓Frequently Asked Questions (FAQs):

Q1: What makes Pex-Al-Pex better than standard PEX pipe?

A: It combines metal and plastic benefits—offering form stability, an oxygen barrier, and easier installation without spring-back.

Q2: Is this pipe WRAS certified?

A: Yes – it’s WRAS approved, making it suitable for both underfloor heating and drinking water systems in the UK.

Q3: Can I use this with your manifolds and connector cores?

A: Yes – it’s fully compatible with all our manifolds, actuators, and brass connector cores.