DuraVent Type B Gas Vent 12
Fits flat to 6/12 pitch roof.
Built with double-seamed construction for protection from leakage.
DuraVent BV round vent pipe is a Listed Type B gas vent pipe. Its adjustable fittings and standard short lengths eliminate all cutting, fitting and special engineering. An improved joint design provides for a rapid and secure connection in seconds.
Built with double-seamed construction for protection from leakage.
DuraVent BV round vent pipe is a Listed Type B gas vent pipe. Its adjustable fittings and standard short lengths eliminate all cutting, fitting and special engineering. An improved joint design provides for a rapid and secure connection in seconds.
Understanding 12 inch DuraVent Type B Gas Vent
For 12 inch Type B gas vent pipe and fittings in the DuraVent Type B Gas Vent product line, correct selection begins with the job the product needs to perform. Listed Type B vent carries flue gases from appliances specifically approved for Type B venting; it is not interchangeable with a sealed direct-vent or condensing exhaust system.
Selection details that matter
- Confirm the appliance manufacturer, model, fuel, and approved vent category or vent family.
- Compare DuraVent Type B Gas Vent 12 inch Type B joints, diameter, supports, approved gas appliance, and termination.
- Review elbows, tees, supports, wall or roof penetrations, clearances, and termination instructions.
- Check whether any transition or substitute component is explicitly authorized by the manufacturer.
Appliance and vent system
Type B gas vent, direct-vent assemblies, condensing-appliance polymer vents, and gasketed special gas vent are intended for different applications. This group is organized around 12 inch. Check whether the number refers to a single nominal vent diameter or, in concentric designs, a pair of passages; actual dimensions can vary by series. The DuraVent Type B Gas Vent family is a useful way to narrow the search, but its joint style and approved accessories still need to match.
Venting layout and safety checks
A complete system may need more than a straight pipe section. Depending on the approved installation, review support hardware, turns, flashing, firestops, adaptors, cleaning access, and the appropriate termination. The permitted route and clearance to combustibles come from the appliance and vent manufacturer, not the category label. Confirm the appliance vent category, listed manufacturer system, joint type, vent diameter, and clearance requirements. If the installation uses a pressure-tight or condensing exhaust system, verify all joint sealing and condensate-handling requirements in its installation guide.
Can DuraVent Type B Gas Vent 12 inch replace direct-vent gas fireplace pipe?
Not on the basis of diameter. Type B gas vent and direct-vent assemblies are different listed systems with different appliance applications. Use only the vent family named by the appliance installation instructions.
Use the individual listings below for current product details, and confirm the installation manual before final selection. Gas exhaust venting and fuel-supply piping are different product systems.
