Selkirk 4" Diameter Round Tee, Aluminum Double Wall Type B Gas Vent, 104100

Upgrade your venting system with the dependable Selkirk 4-inch Round Type B Gas Vent Tee, designed for safe and efficient venting in residential, commercial, and industrial applications. This tee connects a horizontal branch into a vertical vent, ensuring proper draft and reliable performance. Built with double-wall construction, the galvanized steel outer casing provides strength and durability, while the aluminum inner liner heats quickly to promote a strong, steady draft. Together, these materials deliver long-lasting performance and protection. Installation is fast and simple with Selkirk’s snap-together, non-positional lock system and die-formed ends, eliminating the need for cutting, fitting, or special tools. An improved joint design ensures a tight, secure connection in seconds, giving you confidence in both safety and performance. For nearly a century, Selkirk has been a leader in HVAC innovation, offering products that meet and exceed rigorous UL safety standards. Every vent is engineered to deliver long-lasting reliability, efficient performance, and unmatched durability. Built for professionals and homeowners alike, Selkirk gas venting solutions combine advanced engineering with simple installation, making them the trusted choice for those who refuse to compromise on safety or quality.