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Preferred™ Series BW9 Boiler

Radiant Heat Reliability for Savings You Can Count On

This hard-working boiler is the ideal match for your home's radiant system, with a fuel-efficient aluminum heat exchanger that delivers 90% AFUE rating. You'll enjoy higher heating efficiency and lower energy costs.
AFUE Efficiency :
  • 90% AFUE
  • Gas-fired
  • Integrated boiler control
  • Cast-aluminum heat exchanger
  • Optional PVC pipe installation
  • 10-year parts limited warranty and a 15-year parts limited warranty on heat exchanger section1
1 To the original owner, the Bryant BW9A boiler is covered by a 10-year parts limited warranty and a 15-year parts limited warranty on the heat exchanger section. Ask your Bryant dealer about optional extended warranties, which may include labor. See warranty certificate at for complete details.


Energy Efficiency 90% AFUE                                
Rated Heating Input 50,000 - 200,000 BTUH
Rated Heating Capacity 45,000 - 180,000 BTUH
Heat Format Water

ENERGY STAR®                      

Details Meets ENERGY STAR® guidelines for efficiency 


Control Type Integrated boiler control


Heat Exchanger Cast aluminum
Burners Pre-mix
Ignition Hot surface
Venting Direct
Fuel Gas


Casing Full fiberglass insulation
Section Seals Cast iron push nipples
Bryant reserves the right to discontinue or change any specification or design without prior notice or obligation.