Plumbing & Heating Pipes

District Heating Pipe


With efficient energy delivery, district heating and cooling systems enable a centralized production of thermal energy for single developments to citywide netw

For a safe and reliable setup, choose from our broad range of complete systems with pre-insulated single, double and quadruple cross-linked polyethylene pipes (for both heating and hot water). All pipes comprise an oxygen-diffusion barrier for optimized durability. 

Reducing Heat Loss and Preventing Frost with Quality Insulation

To limit any heat loss or frost for underground distribution networks (for heating as well as cooling), the multilayer thermal insulation of our pipes is made from cross-linked microcellular polyethylene (PEX) foam with a water repellent closed cell structure.  

Qual-Pex Plus+ 'Easy-Lay' Eco Duo - PRE-Insulated and Ducted Pipe for Local & District Heating.

Qual-Pex Plus+ 'Easy-Lay" ECO DUO has been designed to simplify and speed up installation by utilising standard Irish size fittings and pipe and to greatly enhance energy conservation. Two pre-insulated, 1” Qual-PEX Plus+ 'Easy-Lay' pipes encapsulated in 125mm of high performance insulation protected within a corrugated PE-HD twin wall outer casing for maximum protection.

The Insulation

The insulation of Qual-PEX Plus+ ‘Easy-Lay’ ECO Duo Pipe consists of micro-cellular cross-linked polyethylene foam with a closed cellular structure, permitting low water vapour diffusion with good insulation resistance to extreme temperatures. Moreover, Qual-PEX Plus+ ‘Easy-Lay’ ECO Duo Pipe maintains these high insulation properties over time. This is due to the superior characteristics of the cross linked PE foam, compared to other insulation materials (e.g. PUR foam) which show a decline in their insulation capabilities over time. Its unique moving layers design allows maximum flexibility and very easy installation.

These products deliver industrial leading thermal insulation properties using Ireland's leading plumbing and heating pipe.


  • Available in Imperial size pipe eliminates the need for expensive adaptors
  • Certified for use with our Qual-Pex Easy-Crimp System or standard compression fittings & Qual-PEX inserts
  • Manufactured in IRELAND
  • 50 year guarantee
  • Light weight
  • Absolutely corrosion-free
  • Environmentally friendly
  • Maintenance-free system
  • Long working life
  • Coils range up to 100 meters - Coils can be cut to order
  • Wide range of applications as regards temperature and pressure
  • No need for special tools for assembly
  • Range of end caps & junction covers available
  • Available in all leading Merchants

50 Year Guarantee

You choose a quality product manufactured by a trusted leader of Plumbing & Heating Pipe in Ireland with almost 50 years’ experience. Your next phase of plumbing success starts here!

With our market leading 50 Year Guarantee offering you more certainty to install with confidence.

50 year Guarantee II

Performance Characteristics

  Test Method Value
Density ISO 845 28 kg/m3
Tensile strength ISO 1926 270 Kpa
Water absorption after 28 days DIN 53828 < 1.0 % Vol
Thermal conductivity EN 12677 40 °C: 0.036 W/mK

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