Single Wall

• UL Listed to UL Standards UL1738, ULC-S636-08.
• Constructed of 444 stainless steel
• Vent diameters range from 5" through 36"
• Suitable for interior or exterior installation
• Suitable for use with gaseous fuels venting appliances rated category I, II, III, and IV
• CAT I applications require a UL listed high wind cap
• Model V 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

Double Wall

• UL Listed to UL Standards 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 5" to 16"
• Suitable for interior or exterior installation
• Suitable for use with gaseous fuels venting appliances rated category I, 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

• Vent Operation & Installation Manual
• Clearances (Single Wall)
• Clearances (Double Wall)
• Written Specification (Single Wall)
• Written Specification (Double Wall)
• Designing Air Flow Systems
• Promotional Handout
• Formulas

Single Wall

The Special Gas Vent -V 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-V Type BH is UL Listed under file number MH60693 and complies with UL 1738, ULC S636-08.

Double Wall

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.