Highly flexible pre-insulated Terrendis piping system with twin coolant pipes for water circulation and two conduits for electric cables, designed especially for connecting heat pumps.

The coolant pipes are made of PER-A reticular polyethylene and include an oxygen barrier. They are mainly used for transporting heating water, hot sanitation water and other buried network fluids.

The heat insulation comprises several layers of closed cell reticular microcellular polyethylene foam that is completely impermeable to water and is characterised by its durability, constancy of insulation value over time and permanent elasticity. These properties ensure that the thickness of the insulation is maximised and maintained, even after repeated bending.

The black UV-resistant double wall corrugated HDPE protects the pre-insulated pipework against impacts and water infiltration whilst maintaining maximum system flexibility.


  • Highly flexible
  • 2 high quality, double-wall ICTA 3422 cable conduits
  • Double-wall design to resist impacts and water ingress
  • UV-resistant
  • Constancy of insulation over time
  • Excellent thermal properties
  • High abrasion resistance
  • Oxygen diffusion barrier
  • CFC-free manufacture
  • Certificate of Sanitary Conformity

Other products for Drinking water supply network pipes and connections

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