Viessmann - Boiler, Floor Standing, CU3A 199 Vitocrossal 300, 199k Btu input, 40-185k Btu output, 95% efficient, 3/4" gas connection, 1-1/4" heating supply & return, 4" PPS flue vent, 3" PVC intake vent, with Vitoconnect (Free Shipping)

Sale price$6,999.00


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.


  • Best value in its class with industry-leading technology and the most standard features.
  • Self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/air quality.
  • Zone circuit capabilities provide 3 input connections that allow easy integration of third-party components.
  • User-friendly Vitotronic outdoor reset boiler and system control for multi-temperature space and DHW heating.
  • Compact, floor-standing boiler with zero clearance to combustibles.
  • Low-emission combustion for environmentally-friendly operation.
  • Extremely quiet operation; quieter than most refrigerators.
  • High-altitude operation up to 10,000 ft (3,000 m).

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