Description
Gas-fired condensing technology and innovative DHW solution in a compact, floor-standing design.
Features
Fuel flexibility
Uses natural gas or liquid propane – no fuel conversion kit required.
Mobile ViCare app available
Stay connected with your boiler by adding the Vitoconnect WiFi module (sold separately).
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.
- Innovative DHW Storage Tank Loading System comprised of plate heat exchanger, DHW loading pump, and storage tank
- Fast heat-up with Storage Tank Loading System
- Viessmann made stainless steel MatriX cylinder burner with
- Lambda Pro combustion management system for continuous efficiency and low emissions
- Efficiency up to 98% at full modulation and 95% AFUE
- Viessmann-made titanium-infused stainless steel DHW storage tank (26 USG)
- Zero side clearance requirement re-installed pressure/temperature relief valves
- Fully enclosed heating expansion tank and circulation pump
- Built-in 3-speed DHW / space heating pump with diverter valve
- Suitable for altitude levels up to 10,000 ft. / 3,000 m
- 10-minute peak flow of 60 gallons (model B2TB-35 only)*
- Continuous DHW draw of 3.3 GPM*
- Wide modulation ratio up to 6.5:1
- Multiple venting options with vent length up to 180 ft.
Specs
Min. Input: (MBH) 19
Max. Input: (MBH) 125
Max. Allowable Working Pressure: (psig) 45
Efficiency: (%AFUE) 95%
DHW Storage Tank Capacity: (USG) 26.5
Max. Allowable Working Pressure: (psig) 150
Continuous Draw Rate*: (GPM) 3.3
Max. Draw Rate*: (over 10 min. periods) 60 GAL
Weight: (lbs) 275
Downloads
* Based on a temperature rise of 70 °F (50 °F to 120 °F).
Information is subject to change without notice.
