Dunkirk D248A900A40 Dunkirk D248-900S Commercial Steam Boiler w/ CSD-1 Gravity Return, Natural Gas,  698 MBH Out, 524 Net AHRI MBH (D248A900A40)

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Dunkirk D248-900S Commercial Steam Boiler w/ CSD-1 Gravity Return, Natural Gas, 698 MBH Out, 524 Net AHRI MBH (D248A900A40)

SKU: 388828
$ 9,338.46 / ea
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Save 49% · Retail: $18,210.00

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Dunkirk D248-900S Commercial Steam Boiler W/ CSD-1 Gravity Return, Natural Gas, 698 Mbh Out, 524 Net Ahri Mbh (D248A900A40)

SKU: 388828
$9,338.46/ea


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$9,338.46/ea

About the Dunkirk D248-900S Commercial Steam Boiler w/ CSD-1 Gravity Return, Natural Gas, 698 MBH Out, 524 Net AHRI MBH (D248A900A40)

Count on stress-free installation with this commercial boiler!


The Dunkirk D248-900S commercial steam boiler with CSD-1 gravity return redefines effortless installations, featuring pre-assembly, Plug 'N Play harness for simplified setup, color-coded wiring for error prevention, and the option for CSD1 compliance, making installations efficient, error-free, and code-compliant. In addition, this boiler is constructed from heavy-gauge steel with an enamel paint finish and is fully insulated with fiberglass insulation to maintain low surface temperatures. The cabinet features supply and return connections on both sides, and the burner access panel is designed for easy removal during servicing. Also, it operates with natural gas fuel.


This commercial boiler is available in 28 different sizes to meet the heating demands of different establishments, including schools, churches, office buildings, factories, and more with heating inputs ranging from 300 MBH (87.99 kW) to 3000 MBH (879.89 kW). In addition, it includes a limited warranty of ten (10) years for the individual sections. On top of that, this commercial boiler meets the ASME standards and carries CSA certification in the US, along with I=B=R ratings approved by GAMA. The City of New York recognizes it with Equipment Acceptance number MEA 205-89-E.


Dunkirk presents reliable products that inspire confidence, backed by a united team of skilled individuals committed to delivering quality and dependability to customers. Get your Dunkirk D248-900S commercial steam boiler with CSD-1 gravity return today and browse through a collection of heating, ventilation, and air conditioning (HVAC) supplies such as boilers and return air grilles. Feel free to check out these products anytime, here at PlumbersStock!

Manufacturer: Dunkirk
Product: Boiler
Color: Blue
BTU Rate: 900,000 BTU
Vent Size: 14"
Modus Operandi: Natural Gas
Use: Commercial
Type: Steam type
Mpn # D248A900A40
Weight 2,203.00 lbs.
  • D248A900A40
  • Cast Iron
  • Commercial Grade
  • Output of 698
  • Steam PPF of 1.33
  • Steam BTU 524

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