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auroTHERM plus VFK 145

An efficient drainback system component

Uses indirect solar radiation, not just sunlight
Can provide up to 90% of annual domestic hot water requirements
Positive benefit to the environment
Adds value to your property

Overview Features and benefits Downloads

auroTHERM plus VFK 145

The auroTHERM plus VFK 155 flat plate collectors have a toughened glass for improved durability, and special anti-reflex coating for excellent solar transmission. The collector consists of a laser welded copper/aluminium grid with a high selective absorber coating and improved rear insulation.

The whole assembly is encased in a black anodised aluminium frame for a neater appearance. The collectors are available in two models that can be connected in series in horizontal or vertical orientation to suit the available roof space.

Features and benefits
Optimal efficiency	Uses indirect solar radiation, not just sunlight
Reduction of fuel bills	Can provide up to 90% of annual domestic hot water requirements
Reduces CO2 emissions	Positive benefit to the environment
Efficient, durable and stylish	Adds value to your property

Product properties collectors	unit	VFK 145 V
Gross collector area/ Net collector area	m2	2,51 / 2,35
Absorber content	l	1,85
Stainles steel flat sealing connection	diameter	3/4"
Insulation thickness	mm	40
Operational pressure max.	bar	10
Light transmittance of the solar glass	%	91
Absorber absorption	%	95
Absorber emission	%	5
Stagnation temperature (accord. to prEN 12975-2, c <1m/s)	°C	171
Degree of efficiency (accord. to EN 12975)	%	79,1
Coefficient of efficiency k1	W / (m2k)	2,41
Coefficient of efficiency k2	W / (m2k2)	0,049
Dimensions: Height / Width/Depth	mm	2033 / 1233 / 80
Weight	kg	38