Gas Boiler – D249 Commercial

D249 Commercial

Gas Boiler

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

D249 Commercial gas boiler bases are pre-assembled at the factory with burner manifold, burner orifices, gas valves and electronic ignition, 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

Junction box individual base and 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.

Brochure

D249 Sell Sheet Rev. 09-02-21

Installation & Operation Manual

D249 Series IOM Rev. K

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

Parts Lists

D249 Series Parts Rev. G

Submittal

D249 Spec and Submittal Rev. A

Technical Bulletin

Heat Exchanger Failures and Maintaining Steam Boilers

Flooded HVAC Equipment Bulletin 2021

User Manual

D249 Series User’s Manual Rev. D

Warranty

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

Engineering Documents / Resources

D247 Spec Sheet Rev. 1.0

D248 Water Rev. A

D248 Steam Rev. A

D248 Spec Sheet Rev. 1.0

Installation & Operation Manual

D248 IOM CSD-1 Control Rev. A 7/08

D248 IOM CSD-1 Control Rev. 2.5

D247 IOM Rev. 3.0

D249 IOM CSD-1 Control Instructions Rev. 12/13

D249 Series IOM Rev. B

D248 Steam IOM Rev. B

D248 Steam IOM Rev. A

D248 IOM Rev. A

D248 IOM Rev. 1.0

D249 Series IOM Rev. C

Kit Instruction

D248 AMB Modular Boiler Control Kit Rev. 1.0

Parts Lists

D248 Parts Rev. D

D248 Replacement Parts Rev. C

D248 Replacement Parts Rev. 1.0

D248 Parts Addendum Rev. A

D249 Series Parts Rev. C

D249 Series Parts Rev. D

D249 Series Parts Rev. E

D249 Series Parts Rev. F

Product Bulletin

D248 Series Commercial Boiler 10/1/07

User Manual

D249 Series User’s Manual Rev. C

Warranty

D247 Warranty Rev. 0

D248 Warranty Rev. 0

Dunkirk Consolidated Boiler Warranty Rev. D

Dunkirk Consolidated Boiler Warranty Rev. E

Dunkirk Consolidated Boiler Warranty Rev. A Eff. 10/20

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

James Cater

Product Reviewed:
D249 Series Commercial Boiler

I like the range of sizes that you offer.

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

Jonathan Burns

Product Reviewed:
D249 Series Commercial Boiler

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

Jonathan A. Burns

Product Reviewed:
D249 Series Commercial Boiler

Have you had a good experience with Dunkirk?

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