Viessmann - Combi, Wall Mount, B1KE-199 Vitodens 100-W, 199k Btu input, 18.5-187k Btu output, 5.1 GPM @ 70 deg rise, 95% efficient, 3/4" gas connection, 1" heating supply & return, 3" PPS flue vent

Sale price$4,999.00


Equipped with a Viessmann stainless steel heat exchanger for lasting performance and reliability, plus a fully modulating MatriX Plus cylinder gas burner, the Vitodens 100-W wall-mounted condensing boiler is the perfect combination of value, quality, and Viessmann technology. Its compact design, zero clearance to combustibles, and extremely quiet operation make the Vitodens 100-W an ideal choice for even the smallest spaces. Plus, with a limited residential lifetime warranty, you can be sure your investment will deliver long-lasting value.


  • Long-lasting, reliable performance and outstanding 95% AFUE efficiency with stainless steel InoxRadial heat exchanger
  • Reduced emission (low-NOx) and 10:1 turn down ratio with fully-modulating stainless steel MatriX Plus cylinder burner
  • Field height adjustable controls for comfortable service operation in any space + Compact, lightweight wall-mount design with zero clearance to combustibles
  • Easy installation, service, and maintenance with easy access to all serviceable components
  • Multiple venting options and advanced software allow for automatic adjustment
  • Easy piping due to two sets of tappings, along with a built-in pump and diverter
  • Suitable for high altitudes up to 10,000 ft (3000 m) with no power loss and automatic software vent length adjustment + Built-in automatic frost protection
  • Reliable on-demand domestic hot water (B1KE) + Limited lifetime warranty for added peace of mind

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