Tubular solar thermal collector CalpakCicero Hellas VACUUM VTN
Collector with vacuum tubes internally equipped with U-type copper tubes and double fins for higher performance. The CPC reflector, made of highly reflecting aluminum, ensures high efficiency even under the most adverse solar conditions. The header is insulated with fibre glass and polyurethane and finished with black anodized aluminum. Standard size 12 VTN (other sizes from 6 to 16 tubes are available on request).