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Legacy™ Line BS2 Boiler

Economical and Reliable Radiant Heat Value

Provides traditional gas-fired, steam output, cast iron reliability plus an up to 82.7%  AFUE rating for superior energy efficiency. You'll enjoy a higher level of whole-home comfort plus lower utility bills
AFUE Efficiency :
up to 82.7
  • Up to 82.7% 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
  • 5-year parts limited warranty and a 12-year parts limited warranty on heat exchanger section1
1 To the original owner, the Bryant BW9A boiler is covered by a 5-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 80.4% - 82.7% AFUE
Rated Heating Input 75,000 - 299,000 BTUH
Rated Heating Capacity 62,000 - 245,000 BTUH
Heat Format Steam


Control Type Integrated boiler control


Heat Exchanger Cast iron
Burners Titanium composite
Ignition Electronic
Vent damper Standard electric
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.

California residents please see Proposition 65