Vitocrossal 300 CU3A

The right choice for new construction or retrofits

With its combination of high temperature capability, high mass (water volume), floor standing design, condensing stainless steel construction and modulating gas burner, the Vitocrossal 300, CU3A is the ideal choice for boiler retrofits or new construction. From homes equipped with high mass cast iron radiators, to homes with multi-zone high temperature fin tube radiators, and new installations with high DHW requirements – the Vitocrossal 300, CU3A is the best choice on the market today.

Intelligent combustion control

The proven MatriX dome gas burner with Lambda Pro combustion control automatically adjusts to fluctuating gas qualities and ensures a consistently high combustion efficiency for both natural gas and propane gas.

Advanced condensing technology

Vitocrossal 300 CU3A is a gas-fired floor-standing boiler with stainless steel Inox-Crossal heat exchanger and MatriX dome gas burner. Rated input: 19 to 199 MBH.

  • Wide water passageways for full flow
  • Self-calibrating combustion system
  • Multi-boiler installation up to 1592 MBH
  • No dedicated boiler pump required

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