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Biasi Cast Iron Boiler Vent Package Information

Biasi Cast Iron Gas Boiler Main Page
Model Description Use with these boilers Flue Type
     Gas and Oil Vent Kits
DVH-5 Single penetration for entering fresh air and venting exhaust gas B10/3 - B10/6
SG/2 - SB/4 		Concentric
DVS-4 Separate penetration for entering fresh air and venting exhaust gas B10/3 - B10/5
SG/2 - SG/3 		Separated
DVS-6 Separate penetration for entering fresh air and venting exhaust gas B10/6 - B10/7
SG/4 		Separated

All Biasi Boiler direct vent systems are designed, tested and certified to be used on the specified Biasi boilers.


All vent packages are non-powered, positive pressure, side-wall venting systems and are supplied with all the necessary fittings to make installation quick, clean, and easy.

Gas and Oil Direct Vent Systems:
All gas and oil direct vent packages consist of stainless steek. double wall, flexible exhaust duct pipe and aluminum, flexible intake duct pipe. There are two versions of Gas and Oil vent kits available. The first version is the DVS-4,6 system which uses separate hoods for intake air and exhaust gases. The separate hood design isolates the intake air and exhaust gases minimizing the possibility of cross contamination. The second version is the DHV-5 system which uses a single hood for intake air and exhaust gases. Since the concentric hood design utilizes a single hood for the intake air and exhaust gases, it is only neccesary to provide one a penetration through the house.

All direct vent systems should be installed by a technician on the leeward side of the house out of the wind. If a system must be installed in a high wind situation, one of the DVS packages should be chosen. The separate hood design will avoid possible contamination of the exhaust gas into the intake air, which can result from the high winds.
Technical Advantages
  • Low cost when compared to a chimney
  • Easy installation
  • Burner has purging controls for clean operation
  • Coaxial and separate terminations available
  • Vent up to 200,000 BTU per hour
  • Tested to UL 726


Biasi Cast Iron Gas Boiler Main Page
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