Technical parts Two ranges Connectors for geodesic domes, and radiator adapters for M30 × 1.5 thermostatic heads. Geodesic domes DOMESTAR connectors Steel connectors for assembling the struts of a wooden geodesic dome. A guide for each frequency. See the guides Radiators M30 × 1.5 adapters To fit an M30 × 1.5 thermostatic head on an older valve. The model depends on the valve brand. See the range