CU3A352 Viessmann Vitocrossal 300 CU3A 45 160 MBH Input 40-149 MBH Output 95% Efficient Gas Condensing Boiler With 4" Vent & Vitoconnect
Part #VIECU3A352
MFG #CU3A352
AFUE : 90.00 - 99.99%
Application : Water
Boiler Type : Heat Only
BTU Output : 150,000 - 174,999
Condensing : Yes
Fuel Type : Natural Gas/Propane
Installation Type : Floor Mount
Manufacturer Name : Viessmann
Venting Type : Direct
- 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)
- Install Instructions
Specification Sheet - 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. 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. The vertical stainless steel Inox-Crossal heat exchanger offers ideal conditions for intensive utilization of hot gases, resulting in efficiencies of up to 98%. The smooth stainless steel surfaces allow the condensate created by the condensing process to simply run off downwards. This creates a permanent self-cleaning effect, ensuring high efficiency, long service life and reduced maintenance. With a limited lifetime warranty in residential applications, you can be sure your investment will deliver long-lasting value year after year.
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