Flashing can provide great weather protection for a venting system, but not if you dont have a good seal between it and the terminating pipe. Ensure that you have the best moisture defense possible with a Dura-Vent Type B Gas Vent Storm Collar. Keeping any vent free of potential rain damage is as easy as placing this collar between the pipe and flashing.Dura-Vent is well-known in the hearth service industry for producing reliable and cost-effective products. Their Type B gas line illustrates exactly why they have earned such a reputation. Compatible with most gas appliances, the Type B venting system includes a variety of convenient items, such as this Gas Vent Storm Collar, to help every installation go as quickly and smoothly as possible. And homeowners always like this line because, in addition to providing attractive and efficient venting, each piece comes with a twenty-five-year warranty.
Applications - Simpson Dura-Vents Type B Gas Vent system is for 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 for a wide range of applications, including: natural gas fireplaces, gasfired 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, screws required for 18 and larger diameters.
Clearances - 1 clearance 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).
Simpson Duravent Item Number: 4GVSC
- Creates weather-resistant seal between vent piping and flashing
- For use with 4" Dura-Vent Type B Gas Vent pipes
- 25-year warranty
Download
Manual (PDF)
