Fröling T4 Wood Chip Boiler Cross Section View
Fröling T4 Wood Chip Boiler Combustion Chamber Fröling T4 Wood chip Boiler Store Room View Fröling T4 Wood Chip Boiler Burn View Fröling T4 Wood Chip Boiler Installed View Fröling T4 Stoker View Fröling T4 Touch Screen Fröling T4 Wood Chip Boiler Cross Section View Fröling T4 Wood Chip Boiler Front View

Fröling T4 130/150 Wood Chip Boiler| 443,000 to 512,000 Btu/Hr

SKU:T4150ASME Brand:Fröling

Commercial, Institutional, and Industrial Heat


The Fröling T4 is a compact automatic wood chip or wood pellet boiler.  In its fourth generation of design, the T4 is the synthesis of over a decade of design improvements.  This boiler can safely and efficiently burn both wood chips up to 30% moisture content and wood pellets due to its well designed fully automatic system. Fröling also offers a wide range of fuel feeder systems for virtually all types of buildings. Several sizes and types of rotary feed systems are available from Fröling.  The Fröling T4 is a reliable, surprisingly simple, yet high-tech and user-friendly heating system.


 Fröling T4 Highlights/Key Features:

  • ASME stamped pressure vessel with a 45 PSI working pressure.
  • Safety tested and listed to UL2523.
  • Durable high temperature silicon carbide combustion chamber for effective combustion resulting in a high level of efficiency and very low emissions.
  • Multi-part combustion grate consisting of a fixed fuel insertion zone and an automatic tipping grate for cleaning away ash and debris.
  • Heavy duty automatic ash removal from the combustion chamber and the heat exchanger to the generously-sized, wheeled mobile ash container.
  • Negative pressure-controlled combustion air supply for primary and secondary air.
  • Fuel stoker screw with coupled twin chamber cutter tooth rotary fuel valve for optimal fuel supply and maximum safety.
  • Fuel can be fed to the right or left side of boiler.
  • Speed-controlled induced-draft fan with function monitor for maximum operational reliability.
  • True 3 pass heat exchanger and automatic heat exchange cleaning provide maximum efficiency.
  • Lambdatronic H 3200 controller with innovative bus technology for complete system solutions.  New boiler console with 4.3" touch screen display for simple, intuitive operation.
  • Internet connectivity through free Fröling cloud service.
  • Fully insulated to minimize radiant heat loss.
  • Industrial quality construction.
  • Broadband Lambda probe for automatic adjustment to different fuel qualities.
  • Energy-saving drives with spur gears for extremely low power consumption.