CALPAK MARK4 - Page 6

THERMOSIPHONIC SOLAR WATER HEATERS / TECHNICAL DOCUMENTATION / PAGE 5
Collector
 Aluminum multifin selective absorber
 Ultrasonic welded on copper harp
 Rock wool insulation
 Aluminum profile frame
 Low iron tempered glass
Tank
 Enameled tank according to DIN 4753/3
 Insulation with expanded polyurethane
 Magnesium anode cathodic protection according to DIN 4753/6
 Electrical resistance 3,5 KW
 Heat exchanger to connect to a boiler (model TRIEN)
A
B B
C