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Use code FREESHIPPING on qualified orders over $599! Excluding HI, AK & Canada, and products marked Special Handling.
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Viessmann Vitocrossal 300 CU3A 125 w/ Vitoconnect

Viessmann Vitocrossal 300 CU3A 125 w/ Vitoconnect

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$5,942.42 - $5,942.42
$5,942.42
$5,942.42 - $5,942.42
$5,942.42

High mass condensing technology

Product requires freight shipping; customer will be contacted with quote.

Please click Special Handling Tag below for more information.

SKU CU3A351
Brand Viessmann
Special handling
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The benefits at a glance

  • Compact, floor-standing gas condensing boiler from 19-199 MBH.
  • High efficiency of 95% AFUE on all models.
  • High temperature operation of up to 90°C (194°F).
  • Vitocrossal Pocket Design with wide water passage ways allow for system/full flow applications. No dedicated boiler pump required and eliminates primary/secondary piping.
  • MatriX dome gas burner with 5:1 turndown ratio to ensure high efficiency and extremely clean combustion.
  • High water volume extends burner run time and reduces cycling.
  • A self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/air quality. Simple commissioning with no field adjustments and adjusts to all fuel types (NG and LPG).
  • Durable, reliable, and long service life with Inox-Crossal stainless steel heat exchanger and high mass design.
  • Multiple venting options and configurations with vent lengths up to 198 ft.
  • Multi-boiler installation with 8 boilers up to 1592 MBH.
  • ENERGY STAR Most Efficient 2016.

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