Do you have a question about the Viessmann Vitodens 222-F B2TB and is the answer not in the manual?
System with low loss header for boiler/system flow separation, using closely spaced tees.
Four zone single temperature system with zone valves for heat distribution.
Multi-zone control for zoning with pumps in a single temperature setup.
System with two heat circuits (HC1, HC2) operating at different temperatures.
Low temp circuit with 3-way mixing valve and high temp circuit on low loss header.
Two heat circuits with mixing valves and a high temp circuit on the primary side.
| Type | Condensing Boiler |
|---|---|
| Energy Efficiency Class | A |
| Modulation Range | 1:10 |
| Max. Water Temperature | 85°C |
| Output Range | 3.2 to 35 kW |
| Efficiency | Up to 98% |
| Integrated DHW Cylinder | Yes |
| Dimensions | 600 x 595 x 1436 mm |
| Fuel Type | Natural Gas |
| Water Pressure | Max 3 bar |
| Noise Level | ≤ 49 dB(A) |











