1. Two contact only for getting more power depends the water flow in coming.
2. For 8.8kw, 40AMP, 200V/60HZ. inlet water temperature rise at 25C for hot water flow range 5 Liter/Min
3. The cables made with connector .
4. The safety thermal starter at 85 degree as requested.
5. The switch can be made 3 option + OFF, and front panel have the same information.
6. By adding one more LED (became to 2 LED)
7. Fisher (Metal Hunger), and User Manual
8. Without shower.
9. Without Chromed Heater