
The only difference between the ECO 8 and the ECO 11 is that the ECO 8 has only (1) heating element and exchanger and the ECO 11 has (2) elements and exchanger.
Parts Description
1. Supplied Electrical Cable
2. Electronic Board
3. Terminal Block
4. LED Temperature Display
5. Thermostat
6. Triacs
7. Cold Water Inlet Connection
8. Inlet Thermistor
9. Flow Sensor
10. Copper Heating Elements
11. Outlet Thermistor
12. Hot Water Outlet Connection
13. Thermostat
14. Stainless Steel Heat Exchanger
15. Back Casing
16. Temperature Control Setting Knob