NTI – 1 1⁄4 NPT Biomass Wood Boilers

Wood Boilers

WF Series

NTI WF Series is the most efficient, compact wood boiler on the market.

Main Features

  • Compact sizes eliminate the need for floor reinforcement
  • Greater heating surface
  • Lower stack temperature
  • No boiler tubes
  • Less possibility of cresol buildup
  • Thermostat heat control
  • Wet leg, high-efficiency boiler design
  • Designed to A.S.M.E. requirements


Dimensions16″W x 25 1/2″D
Supply1 1/2″D
RET1 1/2″
Surface20 sq ft
Weight625 lbs
Water capacity43 gal
BTU capacity95,000 BTU