Need Help Estimating?
Pipes through opening:
You must select the type of pipe through opening.
You must enter a valid pipe diameter in millimetres.
Paircoil tube 2
You must enter a valid paircoil tube + insulation in millimetres.
You must enter a valid hole diameter in millimetres.
You must enter a valid fill depth in millimetres.
Number of holes:
You must enter a valid number of penetrations.
This calculator provides an estimate only. For technical advice and system limitations please refer to the technical manuals first.