• Buyer EQUI
  • Fuel Type Natural Gas
  • System Type Hot Water
  • Brand Dunkirk
  • Energy Star Rated No
ECR International, Inc. (Dunkirk) 1-1/4" NPT, 100000 BTU/Hr, 95% AFUE, 2" Vent, Natural/Liquid Propane, Modulating, Gas-Fired Condensing Hot Water Boiler

Dunkirk is proud to bring you the most efficient, forward-thinking home heating solutions available today like the Dunkirk Helix VLT. Dunkirk's "Vertical Laser Tube," modulating condensing boiler features a revolutionary, vertically mounted helical fin tube heat exchanger, made of 316L/444 stainless steel. This self-cleaning design features wide, smooth waterways that help remove hard water deposits and prevent scaling.

Features & Benefits

  • Energy Star® Rated


  • Type: Gas Fired, Hot Water
  • Supply Connection: 1-1/4 Inch Threaded
  • Return Connection: 1-1/4 Inch Threaded
  • Gas Type: Natural/Liquid Propane
  • Gas Connection: 3/4 Inch Threaded
  • DOE Heating Capacity: 185 MBH
  • AFUE Rating: 95 Percent
  • Boiler Dimensions: 23 Inch Width x 16 Inch Depth x 42 Inch Height
  • Boiler Height Including Draft Hood: 42 Inch
  • Boiler Material: Stainless Steel
  • Water Content: 1.8 Gallon
  • Ignition Type: Automatic Line Voltage/Intermittent Direct Spark
  • Burner Type: Stainless Steel, Mesh Modulating
  • Venting Type: Roof/Sidewall/Concentric
  • Vent Size: 3 Inch
  • Relief Valve Details: 30 PSI Safety Relief Valve
  • Pressure Rating: 150 PSI
  • Mounting Type: Wall
  • Warranty: 15 Year Limited (Heat Exchanger), 2 Year Limited (On Parts)
  • Options: Factory Installed Probe Type Low Water Cut-Off with Test Feature, 30 PSI Safety Relief Valve, Boiler Drain Valve and Condensate Drain with Built in Trap
  • Inclusions/Features: Bracket, User Display Interface, Outdoor Temperature Sensor, Flame Sight Glass, Flame Sensor, LP Conversion Kit, Low Voltage Terminal Strip, High Voltage Junction Box and Transformer
  • Applicable Standard: ASME, AHRI, CSA, CSA (Canada and US)
  • Application Indoor; Mounting Position Vertical; Vent Length 6 to 100 Foot; AHRI Boiler Input Rating 40 to 200 MBH; Net Water Rating 161 MBH