- Fuel type
-
Natural gas (NG) or liquid propane gas (LPG)
- Min. input (NG)
-
19,000 BTU (5.5 kW) for B2TB-125
- Max. input (NG)
-
125,000 BTU (37 kW) for B2TB-125
- Efficiency (AFUE)
-
95%
- Weight
-
302 lbs (137 kg)
- Overall dimensions
-
- Depth
-
23½ inches (595 mm)
- Width
-
23⅝ inches (600 mm)
- Height
-
64 inches (1625 mm)
- DHW storage tank
-
- Tank capacity
-
26.5 USG (100 L)
- Continuous draw rate
-
3.3 GPM (12.3 L/min) for B2TB-125
Based on a temperature rise of 70°F (39 K), 50°F to 120°F (10°C to 49°C). - Max. draw rate over 10 min. period
-
60 USG (227 L) for B2TB-125
Based on a temperature rise of 70°F (39 K), 50°F to 120°F (10°C to 49°C). - Warranty
-
Limited lifetime warranty in residential applications. See warranty sheet for details.
Vitodens 222-F
Ideal space-saving solution for heating and DHW
Vitodens 222-F
Smart, compact space heating and DHW
Gas-fired condensing technology and innovative DHW solution in compact, floor standing design. Rated input: 12 to 125 MBH.
Outstanding efficiency
Up to 98% at full modulation and 95% AFUE.
Mobile ViCare app available
Stay connected with your boiler by adding the Vitoconnect WiFi module (sold separately).
Fuel flexibility
Uses natural gas or liquid propane – no fuel conversion kit required.
Low emission combustion
Features Lambda Pro intelligent combustion management system.
Simple installation
Pressure / temperature relief valves are pre-installed.
Leveling feet
Easy set-up for uneven basement floors.
Compact, economical space heating and domestic hot water
The Vitodens 222-F, B2TB gas-fired condensing boiler is an ideal space saving option for new installations and a smart upgrade for outdated boiler and domestic hot water (DHW) storage systems. The floor standing Vitodens 222-F is a compact, economical space heating and DHW solution for homes with moderate heating loads.
Proven Viessmann technology
At the core of the Vitodens 222-F is the Viessmann-made stainless steel MatriX cylinder burner and Inox-Radial heat exchanger. Together, they allow for optimal heat extraction with minimal heat loss, to maximize energy utilization and reduce fuel consumption.
Stainless steel MatriX cylinder burner
Reliable and consistent performance
Stainless steel is the best choice for long-term reliability. That's why the Vitodens 222-F is equipped with a stainless steel Inox-Radial heat exchanger and MatriX cylinder burner. Developed and manufactured by Viessmann, these high-quality stainless steel components maximize performance and reliability. Plus, the "self-cleaning" heat exchanger contributes to the boiler’s long service life and dependable performance.
Lifetime warranty
With a limited lifetime warranty in residential applications, you can be sure your investment will deliver long-lasting value year after year. For detailed terms and conditions, see the warranty sheet.
Stainless steel Inox-Radial heat exchanger
Advantages of the Vitodens 222-F
Look inside the boiler
- Inox-Radial heat exchanger
- MatriX cylinder burner
- Vitotronic 200 control
- Stainless steel storage tank
- Heating expansion tank
