One Whole Split Solar Water Heater system mainly includes Vacuum Tube or Flat Plate Solar Collector, Workstation , and Pressurized Water Tank.
Best system for cold area.

Thermosiphon solar water heater systems is an excellent way to save your domestic hot water heating bills;
Pressurized Solar Water Heater Passive System has better effect.

Three modules for choose:
Pressurized Solar Collector;
Non-Pressurized Solar Collector;
Non-pressurized Passive Solar Water heater.

Pressurized Water Tank;
Work Station;
Solar Controller;
Circulating Pump;
Vacuum Tubes.