Vitocrossal 300 Cu3a

Features and Benefits

Four heating levels are available for the Vitocrossal 300 CU3A; The 94 version will heat up to 76,000 MBH, while the 125 version offers up to 101 MBH, 160 version offers up to 129 MBH, and 161 MBH for the 199 version.

The Vitodens 100-W is sleek and compact, ideal for garages, basements, or utility rooms.

Dimensions (W x H x D): 26″ x 67″ x 27″ (160 and 199 versions are 31.5″ deep)

The Vitocrossal 300 CU3A offers up to 95% energy efficiency aided by an Inox-Crossal stainless steel heat exchanger. The high water volume extends cycling to increase boiler lifetime, and no boiler pump is required; eliminating the need for primary/secondary piping.

Offering easy-read controls that quickly adjust to your home’s specific requirements, the CU3A is also extremely easy to service, lowering inspection and repair costs. 

Technical Information

Standard Limited Warranty for Residential Applications. Standard 10 Years for Commercial Applications.
Viessmann provides this Warranty only to the original end user purchaser (the “Owner”) of a Viessmann Stainless Steel Hydronic Heating Boiler.

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Front view
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Vitocrossal 300_CU3A_cutaway copy
Inside view
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