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  • Dunkirk D249 Steam Front-Side View

    Dunkirk D249 Steam Front-Side View

  • Dunkirk D249 Steam Front View

    Dunkirk D249 Steam Front View

  • Dunkirk D249 Steam Side View Control Box Closed

    Dunkirk D249 Steam Side View Control Box Closed

  • Dunkirk D249 Steam Side View Control Box Open

    Dunkirk D249 Steam Side View Control Box Open

  • Dunkirk D249 Steam Control Close Up

    Dunkirk D249 Steam Control Close Up

  • Dunkirk D249 Burner Close Up Cover On

    Dunkirk D249 Burner Close Up Cover On

  • Dunkirk D249 Steam Burner Close Up Cover Off

    Dunkirk D249 Steam Burner Close Up Cover Off

D249 Series Commercial Boiler

D249 Series

The D249 Steam Series is available in 300 to 1,500 MBH and is an ideal heating solution for apartment buildings, schools, churches, offices and manufacturing facilities.

Features

D249 Series Boiler Bases are pre-assembled at the factory with burner manifold, burner orifices, gas valves and electronic ignition installed, ready for field installation of the pre-tested sections and appropriate packages.

  • Efficiency: Mid-Efficiency
  • Heat Exchanger: Cast Iron
  • Combustion: Atmospheric
  • Venting: Vertical Vent
  • Boiler Type: Steam

Installation

  • Plug 'N Play Harness and Junction Box Individual base and junction box controls are designed for easy installation with Plug 'n Play harnesses. The entire boiler links together in a "snap".
  • A color-coded factory supplied harness eliminates wiring errors.
  • Harness wiring mounts externally for easier field installation.
  • Control panel mounts externally on the front of the boiler under a protective hood.
  • The control panel sees a lower operating temperature, installation time is reduced and the unit is easier to service.

Documents / Resources

Current Documents
Archived Documents

Brochure

D249 Sell Sheet Rev. 09-02-21

User Manual

D249 Series User's Manual Rev. D

Installation & Operation Manual

D249 IOM CSD-1 Control Instructions Rev. 12/18
D249 Series IOM Rev. K

Parts Lists

D249 Series Parts Rev. G

Warranty

Dunkirk Consolidated Cast Iron Boiler Warranty Rev. B Eff. 10/20

Specification/Performance

D249 Spec and Submittal Rev. A

Technical Bulletin

Flooded HVAC Equipment Bulletin 2021
Heat Exchanger Failures and Maintaining Steam Boilers

Brochure

D247 Brochure Rev. 11/03
D248 Brochure Rev. 3/09
D248 Brochure Rev. 9/07
D248 Steam Brochure Rev. 5/12
D248 Steam Brochure Rev. 6/12
D248 Water Brochure Rev. 5/12
D248 Water Brochure Rev. 6/12
D249 Series Sell Sheet 9/19
D249 Series Sell Sheet Rev. 6/14

User Manual

D248 User's Manual Rev. 1.0
D249 Series User's Manual Rev. A
D249 Series User's Manual Rev. B
D249 Series User's Manual Rev. C

Installation & Operation Manual

D247 IOM Rev. 3.0
D248 IOM CSD-1 Control Rev. 2.5
D248 IOM CSD-1 Control Rev. A 7/08
D248 IOM Rev. 1.0
D248 IOM Rev. A
D248 Steam IOM Rev. A
D248 Steam IOM Rev. B
D249 IOM CSD-1 Control Instructions Rev. 12/13
D249 Series IOM Rev. B
D249 Series IOM Rev. C
D249 Series IOM Rev. D
D249 Series IOM Rev. F
D249 Series IOM Rev. G
D249 Series IOM Rev. J

Parts Lists

D248 Parts Addendum Rev. A
D248 Parts Rev. D
D248 Replacement Parts Rev. 1.0
D248 Replacement Parts Rev. C
D249 Series Parts Rev. C
D249 Series Parts Rev. D
D249 Series Parts Rev. E
D249 Series Parts Rev. F

Warranty

D247 Warranty Rev. 0
D248 Warranty Rev. 0
Dunkirk Consolidated Boiler Warranty Rev. A Eff. 10/20
Dunkirk Consolidated Boiler Warranty Rev. D
Dunkirk Consolidated Boiler Warranty Rev. E

Engineering Documents / Resources

D247 Spec Sheet Rev. 1.0
D248 Spec Sheet Rev. 1.0
D248 Steam Rev. A
D248 Water Rev. A

Kit Instruction

D248 AMB Modular Boiler Control Kit Rev. 1.0

Product Bulletin

D248 Series Commercial Boiler 10/1/07

Product Testimonials

  • Good steam boiler. I like the fact you use cast iron push nipples, in lieu of gaskets. Well Built, Simple design.

    James Cater
    Pittsburgh, PA

  • I like the range of sizes that you offer.

    Not too comfortable with using supplied black pipe dope for flu Hood.

    Jonathan Burns
    W. Henrietta, NY

  • Very pleased to see how things are packaged and delivered. Not once has there been anything missing, and/or damaged.

    Jonathan A. Burns
    W. Henrietta, NY