A quadruple, flexible, pre-insulated, self-compensating, underground pipe with two heating water pipes, a sanitary hot water pipe and a circulation loop pipe.
These are enveloped within CFC-free foam insulation, and encased in 160mm (OD) corrugated HDPE ducting.
Heating Water: 2no. 25mm OD (20mm ID) 6 bar
Hot Sanitary Water: 1no. 25mm OD (20mm ID) 10 bar
Circulation Loop: 1no. 20mm OD (15mm ID) 10 bar
Available in lengths of 10m, 15m, 20m and 25m