Vertical geothermal probe
GEROTHERM®
HAKA GERODUR
The SKZ testing and monitoring symbol proves that all components (pipes, moulded parts, fit-tings) correspond to the prevailing standards and specifications, such as ISO, EN, DIN, DVS, etc. In VDI Guideline No. 4640, Sheet 1 and 2, the requirements of geothermal probes as well as pipe systems are specified.








