The Performance 90 is our most efficient boiler system. With a high-performance aluminum heat exchanger and superb engineering it achieves an efficiency of 90% AFUE.
PERFORMANCE 90 GAS-FIRED BOILER
$1.00
CARRIER® EFFICIENCY AND PERFORMANCE IN A RADIANT HEAT SYSTEM
- All sizes are ENERGY STAR® qualified
- Reliable, hot surface ignition
- Heated water output for hydronic systems such as baseboard radiators and radiant flooring
BRAND
CARRIER
MODEL
BW9
Efficiency
90% AFUE
Heat Exchanger
Cast Aluminum

Features & Benefits
STANDARD FEATURES
- 90% AFUE
- Gas-fired, hot-water output
- Cast-aluminum heat exchanger
- Stainless steel burners
- Dependable, hot surface ignition
- Single-stage gas valve
- 10-year parts limited warranty1
- 15-year heat exchanger limited warranty
OPTIONAL FEATURES
- Optional PVC pipe installation
- Optional labor warranty available2
Specifications
EFFICIENCY
- 90% AFUE
- All sizes are ENERGY STAR® qualified
PERFORMANCE
- Rated heating output 45,000-180,000 Btu/h
- Gas-fired, hot-water output
- Sealed combustion
TECHNOLOGY
- Cast-aluminum heat exchanger
- Stainless steel burners
- Dependable, hot surface ignition
- Single-stage gas valve
- Integrated boiler control
- Low-water cutoff (some model sizes)
- Integrated pressure relief valve
- Direct vent
- Propane convertible
- Recommended controls: Performance™ and Comfort™ series thermostats
CAPACITIES
- 45,000-180,000 Btu/h
REQUIREMENTS
- Power source: 110-125v
AESTHETICS
- Painted, steel outer casing in taupe metallic
- Dimensions: 40.5"H x 28"W; depth varies by size: 19.75"-32.3"






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