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Biasi B4007 B-40 305 Input MBtu - 87% AFUE - Commercial Oil-Fired Cast-Iron Hot Water Boiler- Power Vent


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Product details

Biasi B40/7 Boiler Block W/Casing, 305,000 BTU, GG20 Cast-Iron Construction 86.70% Afue, Mid-Mass Commercial Boiler

  • Gas or Oil compatible
  • Mid-Mass Commercial Boiler
  • Efficient 3-pass heat exchanger boiler design
  • GG20 cast-iron construction for superior heat retention and durability
  • ASME and ULC listed
  • 20 Year Limited Warranty on the boiler block to the original purchaser

Biasi B40 Series


About Biasi B40

The BIASI B40, a triple pass cast iron boiler, is unsurpassed in fuel effieciency, flexibility, and durability. Constructed with GG20 cast iron and ASME rated at 58 psi, the B40 carries a 20 year warranty. Its triple pass design and lower water content ensure heating demands are quickly met. The B40’s unique push nipple design provides equal distribution of return water throughout the boiler’s sections thereby maximizing the heat collected and reducing fuel consumption. The B40 Boilers, approved for oil, gas, or propane, range from 265 to 783 MBH and are well suited for commercial or multi-unit residential buildings. Prewired Hydrostat 3250 Plus Touch Panel Control offers low and high limits, and optional outdoor reset.


Technical Advantages

  • GG20 Corrosion Resistant Cast Iron
  • ASME Listed, Rated to 58 psi
  • UL Listed for Oil/Gas
  • Efficient Triple Pass Heat Exchanger
  • Burner Swing Door
  • Extra Heavy Insulation for Low Jacket & Standby Losses
  • Limited 20 Year Warranty on Boiler

3-Pass Design

The BIASI B40’s heat exchanger path is up to 15 feet long, and the 3pass design heats more surface area per gallon burned, with 25% less heat lost than pin-type boilers.

See All Biasi Products

Specification Sheet

Basic Information
MPN ? Manufacturer Part Number B4007
Manufacturer Biasi
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. B-40
Dimensions and Measurements
Weight ? Weight 0.99
BTU Input 305,000
AFUE 87%
Length (Inches) ? The distance of the product's longest side, measured in inches. 39.5"
Characteristics and Features
Material ? The material(s) used in the construction of the product. Cast Iron
Boiler Type Commercial
Fuel Type Oil
Venting Power Vent
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