You owe it to yourself to warm up to our BIASI boiler systems.
Our economical and highly efficient 3-pass design offers the flexibility of using
either an oil or gas burner. Our unique GG20 cast-iron block, with its 72 PSI rating
and easy-access swing door, is unsurpassed in durability and efficiency,
providing years of trouble-free operation. There are 7 models ranging from
265 to 658 MBH, which are well-suited for commercial or multi-unit buildings.
Our systems tested to Hydronics Institute Standards. BIASI's foundry is ASME certified.

Boiler Model #	Number of Sections	Heating Capacity	Input Oil	Input Gas	Net Output (MBH)	Efficiency (%)	Water Content (Gals.)	Length (L) (Inches)	Weight (Lbs.)
			G.P.H.	MBH
B-40/6	6	265	2.20	308	230	86.0	17	34.8	902
B-40/7	7	352	2.90	406	305	86.7	20	39.5	1023
B-40/8	8	437	3.60	504	380	86.8	23	44.4	1144
B-40/9	9	524	4.30	602	456	87.0	26	49.2	1265
B-40/10	10	610	5.00	700	532	87.2	28	53.9	1386
B-40/11	11	696	5.70	798	607	87.2	31	58.8	1507
B-40/12	12	783	6.40	896	684	87.4	34	63.8	1628
Maximum Water Working Pressure 72psi					Maximum Relief Valve is 50 psi @ 900 MBH

A 3-pass boiler design is the most efficient way to get the maximum amount of heat
from the boiler. The design extracts heat from three times as much interior
surface area of the boiler, compared to a single-pass, “pin-type” boiler design.

Technical Advantages
GG 20 corrosion resistant cast-iron 72 psi cast-iron construction.
Easy-access swing door. Super efficient, 3-pass flue/heat exchanger.
Low water volume. Multi-fuel capability.
Extra heavy insulation for low jacket & standby losses.
ASME and IBR listed.

The BIASI B-40's heat exchanger path is up to 15 feet, and the 3-pass design heats
more surface area per gallon burned, with 25% less heat loss than pin-type boilers.
B-40 Boiler Manual