Description
DuraVent 3″-12″ Aluminum Type B Gas Vent Square Firestop Support
Overview
DuraVent is the premier company in the venting industry. With a broad range of engineered venting products, DuraVent has earned its reputation as the industry leader by offering innovative, safe, and professional products for the HVAC and Hearth markets.
Type B Gas Vent DuraVent’s innovative system for a lock-tight connection for Type B Gas Vent is called DuraLock. See the alignment indicators meet; feel the ends grasp together; hear the snap as the connection firmly locks into place.
DuraVent Type B Gas Vent is designed to meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling.
Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation in the appliance and vent system. Pipe lengths are available in multiple lengths, 6 to 60 inches, with a full complement of adjustable and rigid fittings.
Type B gas vents are not suitable for use with wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high-temperature applications.
Features
- Straps extend 16”.
- Use to support vent at ceiling level.
- Provides the mandatory 1” clearance to combustibles.
- Includes clamp that supports and prevents pipe sections from slipping down.
Applications
- DuraVent’s Type B Gas Vent system. Use with natural gas or liquid propane Category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent.
- Applications include natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
Materials and Construction
- Round Type B Gas Vent 3” – 8” and oval 4” – 6”: Aluminum .012” inner wall, galvanized .018” outer wall.
- Round Type B Gas Vent 10” – 16”: Aluminum .016” inner wall, galvanized .021” outer wall.
- Round Type B Gas Vent 18” – 30”: aluminum .020” inner wall, galvanized .021” outer wall.
- 3”-16” diameters feature twist-lock fittings, and screws are required for 14” and larger diameters.
Specifications
| Model | Size | Dimensions |
| 3GVRS | 3″ | 3.75″ (A) x 5.75″ (B) x 7.75″ (C) |
| 4GVRS | 4″ | 4.75″ (A) x 6.75″ (B) x 8.75″ (C) |
| 5GVRS | 5″ | 5.75″ (A) x 7.75″ (B) x 9.75″ (C) |
| 6GVRS | 6″ | 6.75″ (A) x 8.75″ (B) x 10.75″ (C) |
| 7GVRS | 7″ | 7.75″ (A) x 9.75″ (B) x 11.75″ (C) |
| 8GVRS | 8″ | 8.75″ (A) x 10.75″ (B) x 12.75″ (C) |
| 10GVRS | 10″ | 10.75″ (A) x 12.75″ (B) x 14.75″ (C) |
| 12GVRS | 12″ | 12.75″ (A) x 14.75″ (B) x 16.75″ (C) |
| Clearances | 1″ to combustibles in single and multi-family dwellings | |
| Listings | UL Listed to UL 441 and UL 1777(MH6357), ULC listed to ULC S605 (CMH1276 & CMH1407). | |
| Warranty | Limited-lifetime warranty | |
Typical Installations
Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.
Downloads
- Download Product Catalog
- Download Installation Manual
- Download Typical Installations
- Download TypeB Gas Vent Specs Sheet
California PROP 65: This product can expose you to Lead & Chromium, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. See WARNING
