This workstation was used for split system solar water heating.
1) Pump: world famous brand--"WILO" circulation pump.
2) Controller:
   intelligent controller,
   with LCD display,
   adopt high performance SAMSUNG Monolithic,
   PT 1000 temperature sensor.
   Completely automaticly.
3)  Accessories including: controller, circulation pump, probe, relief  valve, expansion
tank, flow meter,manometer and brass connector.

This is your best selection for heat cold water!