Tank capacity: 90, 120, 150 and 200L
Tube number: 9, 12, 15 and 20
Tube length: 1.9M
Tube diameter: 70MM
Working pressure: 0.6Mpa  
Rated voltage: 220V
Rated walt: 1.5kW
Warm keeping layer: 70mm
Absorption coefficient: >94%, emission coefficient: less than 8%
Vacuum degree: >5 x 10-3Pa
Features:
Super heat conduction metal vacuum tube, high efficiency, high absorption rate and
low emission rate
No water in the tube, one tube broken don't influence the system working
Anti hail drops, ant-freeze
Adopt porcelain tank, no leakage, no risking, no shrinking and with healthy water

With electronic heater fitting in the tank, constant hot water can available all
the year around