Description
High efficiency
Industry leading thermal efficiency up to 98% for lower energy costs.
Lambda PrO₂ combustion technology
Self-calibrating active O2 trim technology automatically adjusts to gas type and multiple vent options / lengths.
Highest water volume in class
No primary boiler pump required.
High modulation
Industry leading turn-down ratio up to 30:1 with modulating MatriX cylinder burner.
Digital control
Viessmann One Base control platform enables control via ViGuide app and digital services.
Easy installation and service
Integrated installation features for peak mobility.
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