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Carrier BW3 Performance 84 Boiler

The Performance 84 Boiler is a versatile gas-fired, radiant heat system. Our engineering makes it efficient, with up to 84.4% AFUE rating. And with the Carrier name, you know it's a reliable unit you can count on.

  • Up to 84.4% AFUE
  • Cast Iron
  • Gas-fired models
  • Stainless steel/titanium alloy composite burners
  • Fiberglass insulated casing
  • Integral draft diverter
  • Small, compact design
  • 20-year parts limited warranty on section
  • 5-year parts limited warranty
  • Casing: Full Fiberglass Insulation
  • Nipples: Cast Iron Push
  • Dimensions (inches): 11 - 27 1/4"
  • Control Type: Integrated boiler control
  • Energy Efficiency: 82.0% - 84.4%
  • Rated Heating Input: 42,500 - 225,000
  • Rated Heating Capacity: 36,000 - 186,000
  • Heat Format: Water
  • Limited Warranty: 5-year parts limited warranty; 20-year parts limited warranty on section
  • Quiet Level: 5
  • Energy Efficiency: 5
  • Durability: 6
  • Cast Iron
  • Burners: Titanium Composite
  • Ignition: Intermittent Pilot
  • Vent Damper: Induced-Draft
  • Fuel: Gas
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Mike - Redmond, WA

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"We appreciate all the "creativity" it took to get the job done and Ken's ability to think outside the box to make the $$$ work for us. Thank you!"

Robert - Everett, WA

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"Just want to give you a 'heads up' about the terrific service Tech you have .....We have had annual maintenance check ups with MM for several years .

Micheal - Bellevue, WA

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