solar water heater: accessories in non pressure solar water heater, ISO&CE

solar water heater: accessories in non pressure solar water heater, ISO&CE

1) Glass vacuum tube: 58*1800mm

a. absorptive coefficient: >92%;

b. emission coefficient: <8%;

c. hail resistence: 35mm;

d. freeze resistence: -40 Celsius degree;

e. 0.5mm vacuum jacket help absorb sunshine more efficient

2) Mg Anode: to absorb dirty substance in water & purify water quality;

3) Electric heater: 1.5/2KW, which can be operated to work by solar controller by days of bad weather;

4) auxiliary tank: served as one way of system control. Its main function is to allow cold water flowing into inner tank automatically by the inner ball valve.