Control Board PCB for EcoSmart ECO 18, ECO 27, ECO 36 and ECO 24
EcoSmart tankless water heater technical overview
The ECO 18 is the medium sized model and carries (2) heating elements and exchangers using two 9 kW @ 240 Volts.
The ECO 21, ECO 24, ECO 27 and ECO 36 have the largest-sized form factor and they each use heating elements and exchangers. The ECO 21 uses three 7 kW elements running at 240 Volts. The ECO 24 uses three 8 kW elements operating at 240 Volts. The ECO 27 uses three 9 kW elements running at 240 Volts. The ECO 36 uses four 9 kW elements running at 240 Volts.
| Part Number |
CB QC MEDLRG |
| Item Weight |
8 ounces |
| Product Dimensions |
5.5 x 3 x 3 inches |
| Item model number |
CB QC MEDLRG |
| Item Package Quantity |
1 |
| Certification |
Not Applicable |
| Included Components |
Ecosmart CB QC MEDLRG Control Board
|
| Parts Description |
| 1. Electrical Conduit Connection |
| 2. Flow Sensor |
| 3. Ground Connector |
| 4. Terminal Block |
| 5. Triac Cooling Plate |
| 6. Triacs |
| 7. Temperature Control Setting Knob |
| 8. Inlet Temperature Sensor |
| 9. Electronic Board and Protector |
| 10. Fuse and Fuse Holder |
| 11. Copper Heating Elements |
| 12. Thermostats |
| 13. Mounting Bracket |
| 14. Back Casing |
| 15. Copper Heat Exchanger |
| 16. Outlet Temperature Sensor |
| 17. Hot Water Outlet Connection |
| 18. Cold Water Inlet Connection |
![]()
![]()
