The Preferred BW3 Boiler is 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.
Preferred Series BW3 Boiler
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.
BW3A