1)Solar Energy Controller SR868C8Q
2)Temperature difference circulation
3)Samples available

Main functions
1. Water temperature display
2. Water
level display
3. Water level pre-setup
4. Manual water loading
5.
Temperature controlled water loading
6. Timing water loading
7. Water
loading when tank is lack of water
8. Compulsive water loading
9.
Increasing Water pressure during water is loaded.
10. Water temperature
pre-setup
11. Manual heating
12. Timing heating
13. Hot water
circulation
14. Hot water pipe insulation
15. Low pressure protection

16. Collector tube protection