Compact, floor-standing gas condensing boiler from 19-199 MBH.
High efficiency of 95% AFUE on all models.
High temperature operation of up to 90°C (194°F).
Vitocrossal Pocket Design with wide water passage ways allow for system/full flow applications. No dedicated boiler pump required and eliminates primary/secondary piping.
MatriX dome gas burner with 5:1 turndown ratio to ensure high efficiency and extremely clean combustion.
High water volume extends burner run time and reduces cycling.
A self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/air quality. Simple commissioning with no field adjustments and adjusts to all fuel types (NG and LPG).
Durable, reliable, and long service life with Inox-Crossal stainless steel heat exchanger and high mass design.
Multiple venting options and configurations with vent lengths up to 198 ft.
Multi-boiler installation with 8 boilers up to 1592 MBH.
ENERGY STAR Most Efficient 2016.
Rated input - 19 to 199 MBH - 5.6 to 58 kW
Multi-boiler installation up to 1592 MBH (464 kW) with up to 8 boilers