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Qual-Pex Plus+

Qual-Pex Plus+ 'Easy-Lay' Eco Duo

PRE-Insulated and Ducted Qual-PEX Plus+ 'Easy-Lay' 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 Qual-PEX  Plus+ 'Easy-Lay' ECO Duo insulation consists of micro-cellular cross-linked polyethylene foam with a closed cellular structure, permitting low water vapor diffusion with good insulation resistance to extreme temperatures. This type of insulation maintains its high insulation properties over time due to the superior characteristics of the cross linked PE foam, compared with other insulation materials. Its unique moving layers design allows maximum flexibility and very easy installation.

The Qual-PEX Plus+ 'Easy-Lay' ECO Duo uses Tubolit insulation of high quality and low thermal conductivity. It is highly effective in energy conservation and frost protection. It is non fibrous and creates no dust during installation or use. It has a durable PE-film covering allowing maximum protection against water penetration and maximum bonding with concrete. It is also designed to give mechanical protection for in-wall cavity pipelines, which includes resistance to building materials and has pleasing coating for exposed areas.

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

For more detail, please see additional information or contact your local merchant.


  • Air/Water Heat Pumps
  • Geothermal Heat Pumps
  • Wood Pellet Boilers
  • Biomass & Biogas Boilers
  • External Gas and Oil Boilers & many more 


  • Available in Imperial size pipe eliminates the need for expensive adaptors
  • Use with 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

Performance Characteristics

Test Method


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
Qual-Pex Plus+

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Michael Geary

Michael Geary

Technical Sales Manager

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Sean McEvilly

Sean McEvilly

Technical Sales Rep

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Philip Duffy

Philip Duffy

Technical Sales Rep

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Additional Information

Qual-Pex Plus+
Qualpex Eco Duo - Insulated heating pipe by Pipelife Ireland
50 years guarantee