Commercial Oil Boilers

 

Biasi B40 Series Commercial Boiler no Burner

 

The Biasi B40 Series Commercial Oil Boiler

You owe it to yourself to warm up to our BIASI boiler systems. This system utilizes an economical and highly efficient 3-pass oil fired design. Our unique GG20 cast-iron block, with its 58 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. We have tested our systems extensively to Hydronics Institute Standards. BIASI’s foundry is ASME certified.

Technical Advantages

  • Outputs from 265,000 BTU to 658,000 BTU
  • Oil burner compatible
  • Easy access lower swing door
  • No flue required; can be direct vented outdoors
  • Low water content boiler heats up faster with less fuel
  • Efficient 3-pass heat exchanger boiler design
  • GG20 cast-iron construction for superior heat retention and durability
  • ASME and ULC listed
  • 58 psi cast-iron construction
  • Lifetime Warranty on the Boiler Block

Biasi 3-Pass Diagram

Boiler Model #
Heating capacity
 Gross Input Burner Capacity
Net Output (MBH)
AFUE Efficiency (%) Chimney
Water Content (Gals.)
Length (L) (Inches)
Weight (Lbs.)
   MBH
Oil GPH
         
B40-6
265

2.20
230
86.0
17
34.8
902
B40-7
352

2.90
305
86.7
20
39.5
1023
B40-8
437

3.60
380
86.8
23
44.4
1144
B40-9
524

4.30
456
87.0
26
49.2
1265
B40-10
610

5.00
532
87.2
28
53.9
1386
B40-11
696

5.70
607
87.2
31
58.8
1507
B40-12
783

6.40
684
87.4
34
63.8
1628

Maximum water working pressure: 72 PSI.  Maximum Relief Valve is 50 psi at 900 MBH

 

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