- Floor-standing oil condensing boiler (2-stage)
- Addition of up to 30 % bio-oil possible
- Ambient-air-dependent and ambient-air-independent operation
- Combustion principle: pressurised atomisation
- Technology without oil preheating: Extremely low power consumption
- Intelligently controlled by Wolf control system WRS-2
- Including additional differential pressure sensor
- Standardised efficiency up to 105 % (Hi)
- Optionally expandable with CWL-T-300 domestic ventilation unit and adjacent TS-160 / TR-160 storage tanks (COB-2-15/20/29)
- Robust aluminium-silicon heat exchanger
- Proven ceramic flame tube
- Neutralisation and lifting pump can be integrated to save space
- Can be operated with standard and low-sulphur EL heating oil and bio heating oil (B30)
- Cascadable: Up to 200 kW
- Hybrid+: COB-2-15/20 can be intelligently combined with WOLF heat pumps
- BM-2 control module not included in the scope of delivery
| Type | COB-2 B30 | 15 | 20 | 29 | 40 |
| EEK space heating | A+++ to D | A | A | A | A |
| Nominal heat output at 80/60°C min./max. | [kW] | 9.2 - 14.7 | 13.4 - 19.5 | 18.9 - 28.8 | 27.4 - 38.5 |
| Nominal heat output at 50/30°C min./max. | [kW] | 9.6 - 15.4 | 14.1 - 20.4 | 19.9 - 30.4 | 28.7 - 40.4 |
| ø air/flue pipe connection | [mm] | 80 / 125 | 80 / 125 | 80 / 125 | 110 / 160 |
| Dimensions (H x W x D) | [mm] | 1290 x 566 x 605 | 1290 x 566 x 605 | 1290 x 566 x 605 | 1490 x 566 x 605 |
| Weight | [kg] | 92 | 92 | 99 | 122 |
| Ref. no. | | 8909298 | 8909299 | 8909300 | 8909301 |
