Dependable and durable, this small yet powerful gas-fired, hot-water output boiler is designed to serve your radiant system needs for years to come.
PERFORMANCE 84 GAS-FIRED BOILER
$1.00
CAST IRON RADIANT SYSTEM BOILER IN A COMPACT DESIGN
- Compact design
- 20-year heat exchanger limited warranty
- Heated water output for hydronic systems such as baseboard radiators and radiant flooring
BRAND
CARRIER
MODEL
BW3
Efficiency
82.0 – 84.4% AFUE
Heat Exchanger
Cast iron

Features & Benefits
STANDARD FEATURES
- Up to 84.4% AFUE
- Gas-fired, hot-water output
- Cast-iron heat exchanger
- Stainless titanium alloy burners
- Electronic spark to pilot ignition
- Single-stage gas valve
- 10-year parts limited warranty1
- 20-year heat exchanger limited warranty
OPTIONAL FEATURES
- Accessory power venter
- Optional labor warranty available2





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