Preferred™ Series BW3 Boiler at Apex Air in Vancouver WA.

Preferred™ Series BW3 Boiler BW3

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Our most versatile gas-fired, radiant heat system, engineered with an up to 84.4% AFUE rating for outstanding energy efficiency. Rugged cast-iron construction and compact design make it a value-add fit for any home.

AFUE Efficiency: Up to 84.4%
  • Up to 84.4% AFUE
  • Cast iron heat exchanger
  • Gas-fired models
  • Stainless steel/titanium alloy composite burners
  • Fiberglass insulated casing
  • Small
  • compact design
  • 5-year parts limited warranty and a 20-year parts limited warranty on heat exchanger section
FREE Estimates

Easy no-obligation quotes.

Seasonal Service Plans

Worry-free HVAC care.

0% Interest Financing

Start your project.

24/7 Emergency Service

Apex is here – anytime.

FREE Estimates

Easy no-obligation quotes.

Seasonal Service Plans

Worry-free HVAC care.

0% Interest Financing

Start your project.