DuraVent Attic Insulation Shield, 3 inch - 4 inch, Type B Round Gas Vent
Required for installations that pass through an attic to prevent insulation and debris from accumulating near the vent.
- Cylindrical section adjusts from 11" to 20"
- Inside diameter of cylindrical section is 6-3/4 inches
- Outsie diameter of cylindrical section is 7-3/16 inches
- Base Plate is 9-1/4 inches square
A product from DuraVent's Type B Gas Vent system. Use with natural gas or liquid propane category I and drafthood 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.
Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation on the appliance and vent system. DuraVent Type B Gas Vent is designed to survive shipping abd meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling.