D Series

ProFire® Commercial Boiler Burners

  • Min Gas Pressure: 2
  • Parallel Positioning: Standard
  • Boiler Horsepower: 80 - 1,000"
  • Input Capacity (MBH): 3,360 - 42,000
  • Oil Input (US GPH): 24 - 300
  • Turndown: Up to 6:1
  • Emissions (ppm NOx): Uncontrolled, <30, <9
  • Furnace Pressure: 1.5 - 7.7
  • Mode of Operation: Full Modulation
  • Fuel: Gas, Oil, Comb.
  • 3.4 to 42.0 MMBTU input range
  • 80 to 1,000 HP
  • Gas and #2-#6 oil, combination, alt. fuels
  • Available to < 9 ppm NOx


The ProFire® D series forced draft design allows for trouble-free and superior efficiency across a wide range of applications.

  • Product Overview
  • Related Resources
  • Applications
  • Low-pressure air atomizing system on oil with rotary vane compressor
  • Parallel positioning is standard for optimal control throughout the firing range (NTD Model only)
  • Piston-type, positive-displacement oil metering system
  • Hinged combustion head for easy access and maintenance
  • UL/cUL listed (Standard D and LND Models only)


The true forced draft design of the burners allows for trouble-free operation and superior efficiency across a wide range of applications. A backward-curved impeller ensures adequate combustion air for exceptional performance at various furnace pressures and high-altitude applications. The cam trim with 14-point adjustment range allows for consistent air-to-fuel ratios. The standard gas manifold on oil burners means an easy upgrade to combination units.


Improve Boiler Performance by Replacing the Burner →

In this webinar, attendees will learn the benefits of upgrading their boiler with a new state-of-the-art burner to improve boiler efficiency and better match facility needs.

Parallel Positioning and O2 Trim →

Parallel positioning controls help a burner to optimize its fuel-to-air ratio by using dedicated motorized actuators for the fuel and air valves.


Boiler Retrofit the Right Solution at Mount Royal University →

Reduce carbon footprint and bring boilers into compliance with local gas code

  • Process Steam
  • Industrial Process
  • Waste Heat Recovery
  • Hospital and Healthcare
  • Laundry and Dry Cleaning
  • Refineries and Petrochemical