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Special 2V Type BH

Gas Vent

UL1738 and ULC-S636 Rated

Special Gas Vent High Temperature
Blanket Insulation

Special Gas Vent 2V Type BH

Ideal for use in commercial and industrial applications requiring venting of category II, III, and IV gas fired appliances.
  • UL Listed to UL Standard UL1738, ULC-S636-08.
  • Vent sections are constructed of an inner wall and outer wall with insulation in between - inner vent is Single Wall 444 Stainless Steel and outer shell is 430 stainless steel
  • Inner vent diameters range from 8" to 16"
  • Suitable for interior or exterior installation
  • Suitable for use with gaseous fuels venting appliances rated category II, III, and IV
  • Model 2V Type BH available for Negative & Positive Pressure Industrial or Commercial Appliances up to 50 w.c.
  • Rated for continuous operation at 550 degrees F in United States
  • Rated for continuous operation at 473 degrees F in Canada
Gas Vent

Clearances

DUCT
MODEL		 INNER
DIAMETER (ID)		 OUTSIDE
DIAMETER		 CLEARANCE TO
COMBUSTIBLES		 CLEARANCE TO
NON-COMBUSTIBLES
DW-2V BH 8" - 16" ID+4 2" 0"
* 2" clearance to combustibles from the surface of the duct outer shell.

Installation Details

Vent Assembly
Base Cap
Vertical
Support Fire
Stop Vented
Curb Transition
Plate Vent Cap Ceramic
Gasket Vent
Dye Penetrant Testing All ductwork is tested at the factory
for quality assurance.

Product Resources

The Special Gas Vent 2V Type BH Series has been certified by UL. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. Product safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued performance.


Model DW-2V Type BH is UL Listed under file number MH60693 and complies with UL 1738, ULC S636-08.