A high performance vacuum tube collector
 
	
Highly efficient vacuum tube collector based on the heat pipe principle, with ThermProtect automatic temperature-dependent shutdown for high operational reliability
	
Protection against overheating during prolonged insolation
	
Long service life due to low stagnation temperatures and prevention of steam forming within the system
	
The absorber surfaces with highly selective coating, which are integrated into the vacuum tube, are not susceptible to contamination
	
Efficient heat transfer through condensers fully surrounded by the copper Duotec double pipe heat exchanger
	
Optimum alignment with the sun, thanks to uncomplicated absorber alignment
	
Dry connection, no contact between process medium and solar medium, i.e. individual tubes can be replaced whilst the system is fully charged
	
Dark blue collector casing and absorber surfaces form a visually seamless whole
	
Highly effective thermal insulation of the header casing for minimum thermal losses
	
Easy, quick installation with the Viessmann installation and connection systems