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ThermRite Ltd

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

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

Regular price £78.75
Regular price Sale price £78.75
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SKU:TP1-1216-100-W

The 16mm Pex-Al-Pex Underfloor Heating Pipe is a premium 5-layer multilayer barrier pipe designed for water underfloor heating systems, central heating pipework and potable water applications.

Built with a strong aluminium oxygen barrier between inner and outer PEX layers, this pipe offers excellent form stability, reduced spring-back and long-term protection against oxygen diffusion, helping prevent corrosion and sludge build-up within heating systems.

Key Features

16mm Standard UFH Size Ideal for water underfloor heating systems and compatible manifold installations.
5-Layer Pex-Al-Pex Construction Combines the flexibility of PEX with the strength and stability of an aluminium core.
Aluminium Oxygen Barrier Helps prevent oxygen ingress, reducing the risk of corrosion and sludge in the heating system.
Flexible & Form-Stable Easy to bend and shape during installation, while retaining its position once formed.
WRAS Approved Suitable for heating and drinking water system applications in the UK.

Product Specifications

Specification Details
Product Type Multilayer underfloor heating and barrier pipe
Pipe Diameter 16mm
Pipe Construction 5-layer Pex-Al-Pex composite pipe
Oxygen Barrier Aluminium core for complete oxygen diffusion resistance
Service Temperature 40°C – 95°C
Maximum Working Pressure 10 bar
Coil Length Options 75m, 100m, 150m and 500m
Certification WRAS approved
Guarantee 50-year manufacturer guarantee
SKU TP1-1216-75-W, TP1-1216-100-W, TP1-1216-150-W & TP1-1216-500-W

Ideal For

  • Water underfloor heating systems
  • 16mm UFH manifold installations
  • Central heating pipework
  • Potable drinking water systems
  • Residential and commercial heating projects
  • New build, retrofit and renovation installations

Why Choose 16mm Pex-Al-Pex Pipe?

This 16mm Pex-Al-Pex pipe offers the flexibility of plastic pipework with the added strength, oxygen protection and form stability of an aluminium core. Compared with standard PEX pipe, it is easier to shape, holds bends more effectively and helps protect heating system components from oxygen-related corrosion.

Quick Summary

A premium 16mm Pex-Al-Pex multilayer pipe for underfloor heating, central heating and potable water systems, featuring WRAS approval, 5-layer composite construction, aluminium oxygen barrier, 10 bar working pressure and a 50-year manufacturer guarantee.

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