The perfect heat source for your home’s radiant system, innovative Carrier gas- and oil-fired boilers deliver consistent warmth without the noise and draft associated with forced air systems. The higher the AFUE percentage, the more energy efficient.
The Peerless® PUREFIRE® gas-fired condensing boiler is a high-efficiency boiler for residential and commercial applications and is available for either natural or LP gas. The direct vent, sealed combustion boiler has an ultra-high 97.3% efficiency and is ENERGY STAR® approved*! The PUREFIRE®, now available in six sizes, has ASME and ETL certifications for both the U.S. and Canada and is the most thoroughly tested high efficiency boiler on the market! A unique condensate system with built-in neutralizer component and float switch protection is a top feature of the boiler. 
Type: Residential Construction: Stainless Steel Fuel: Gas-Fired (Natural or LP) Input: 50 to 210 MBH Output: 46 to 192 MBH Venting: Sealed Combustion, Direct Vent Trim: Water Combustion: Direct Spark Features:
- 97.3% AFUE
- Gas-Fired Condensing Boiler
- Fully Modulating Burner
- Factory Tested, Pre-Mixed Gas Burner Technology
- ASME and ETL Certified for U.S. and Canada
- Outdoor Reset Capability
- State of the Art Control Board
- Cascade Capable—up to 16 Boilers
Comfort 80 Boiler Models: BW2, BS2 
KEY FEATURES:
- Up to 81.6% AFUE
- Cast iron heat exchanger
- Gas-fired models
- Water or steam models
- Standard standing pilot or optional electronic ignition
- Electric vent damper
- Stainless steel/titanium alloy composite burners
- Compact design
- 12-year heat exchanger limited warranty
- 5 year parts limited warranty
