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