DuraVent 3"-8" Inner Diameter DuraFlex Spark Arrestor
The DuraVent 3"-8" Inner Diameter DuraFlex Spark Arrestor is a durable chimney cap accessory designed to improve the safety of DuraFlex stainless steel chimney liner systems. Compatible with 3-inch to 8-inch inner diameter DuraFlex liners, this spark arrestor helps prevent sparks and embers from escaping the chimney while maintaining proper chimney draft and flue gas flow. It is ideal for wood-burning fireplaces, stoves, and non-condensing gas or oil-fired appliances, providing added protection for residential venting systems.
Built to complement DuraFlex 304 stainless steel chimney liners, this spark arrestor is an excellent choice for chimney relining projects with minimal offsets. Its rugged construction enhances chimney safety while helping protect surrounding areas from stray embers. The DuraVent DuraFlex Spark Arrestor is a reliable solution for improving chimney performance, safety, and long-term venting system durability.
Features
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Optional Chimney Spark Arrestor: The DuraVent DuraFlex Spark Arrestor installs inside the chimney cap to help reduce the escape of sparks and embers from wood-burning chimney systems.
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Fits 3"–8" DuraFlex Chimney Liners: Compatible with 3-inch to 8-inch inner diameter DuraFlex chimney liner systems, providing flexible installation across multiple venting sizes.
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Trim-to-Fit Design: Easily trim the spark arrestor to the required diameter for a precise fit within the chimney cap, ensuring dependable performance.
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Enhances Chimney Fire Safety: Helps improve chimney safety by reducing the risk of airborne embers that could ignite nearby combustible materials.
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Supports Proper Chimney Venting: Designed to maintain efficient airflow and chimney draft while providing effective spark containment.
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Ideal for Wood-Burning Chimneys: Recommended for fireplace inserts, wood stoves, masonry chimney relining, and stainless steel chimney liner installations where a spark arrestor may be required.
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Durable DuraVent Chimney Accessory: A reliable chimney cap component engineered for long-lasting performance and dependable protection in residential chimney venting systems.
Specifications
| Model |
Size |
| DFS-SA |
3"-8" Inner Diameter |
| Construction |
Single-Wall |
| Clearance |
0” clearance for gas, oil, and pellet applications. |
| Clearance |
1” clearance to masonry for wood-burning |
| Listings |
Listed to UL 1777 and ULC S635 (MH45609). |
| Warranty |
Limited lifetime warranty |
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