Product Features
The Benefits at a Glance
Available in three models from 12 to 125 MBH (single-boiler installation).
Efficiency up to 98% at full modulation and 95% AFUE.
Lasting
performance with industry-leading Viessmann made SA240 316 Ti stainless
steel Inox-Radial heat exchanger constructed to CSA B51 and ASME
Section IV.
Low-emission combustion with
Viessmann made stainless steel MatriX cylinder burner for natural gas or
propane. Factory calibrated.
Wide modulation range up to 6.5:1 to precisely match load conditions.
Fast
installation and reduced maintenance with Lambda Pro, industry-first
intelligent combustion management system. Adjusts automatically to gas
type and quality. No fuel conversion kit required.
On-board
Vitotronic control features large display with text and graphics for
straightforward, menu-driven programming and operation.
Outdoor reset boiler and system control for multi-temperature space and DHW heating.
Greater venting flexibility with increased vent length (up to 180’) and multiple venting options.
– Horizontal or vertical sealed combustion coaxial venting (factory supplied).
– Horizontal, vertical or hybrid sealed combustion double-pipe venting (field supplied).
– Horizontal or vertical single-wall venting (field supplied).
Compact, lightweight design and zero clearance to combustibles.
Extremely quiet operation; quieter than most refrigerators.
True high-altitude operation up to 10,000 ft / 3,000 m with simple electronic adjustment.
Limited lifetime warranty in residential applications.