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K2WT-150B-6G-00 U.S. Boiler K2 95% High Efficiency Condensing Boiler

Burnham K2WT-150B-6G-00 Gas Boiler, 95% AFUE, Single Phase, 123, mbh Net IBR , Direct Vent



U.S. Boiler Company


The K2 boiler offers an impressive 95% efficiency across all heating boiler sizes. Having an impressive array of standard features is one thing, doing so at a very favorable price is quite another. The K2 offers all of this, and more, including features like a preinstalled boiler loop circulator which can save money on installation costs!

  • Up to 95% AFUE
  • Reliable, proven stainless steel heat exchanger
  • The Sage2.3 system has a simple touchscreen interface built into the boiler. The system provides step-by-step instructions for changing settings and running system diagnostics, making the K2 one of the most user friendly boilers on the market.
  • Touch screen diagnostic display with plain-language guidance
  • Exclusive features for installer convenience and homeowner dependability
  • High altitude – zero or minimal de-ratings, reduces the costs of oversizing, field adjustable
  • FREE 5-year parts warranty included
  • High capacity pre-installed boiler loop circulator
  • Split-voltage junction box
  • Universal exhaust termination for polypropylene and PVC
  • Outdoor reset and sensor
Products specifications
Attribute name Attribute value
AFUE Rating 95%
Dimensions 17 Inch W x 20-3/16 Inch D x 29 Inch H
DOE Heating Capacity 141000 BtuH
Fuel Type Natural Gas
Housing Material Stainless Steel
Ignition Type Spark
Input Capacity 150000 BtuH
Manufacturer U.S. Boiler Company
Net IBR Rating 123000 BTU
Vent Type Direct