Viessmann Vitocrossal 300 CU3A 125 w/ Vitoconnect

The benefits at a glance

• 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.