Selkirk 4" Diameter 90-Degree Adjustable Elbow, Aluminum Type B Gas Vent, 104230

Upgrade your venting system with the reliable Selkirk 4-inch Adjustable 90-Degree Type B Gas Vent Elbow, engineered to create precise offsets and bypass construction obstacles such as rafters, joists, and other framing. Ideal for residential and light industrial applications, this elbow provides the flexibility needed to transition smoothly between vertical and horizontal vent runs. Constructed with double-wall durability, the galvanized steel outer casing offers strength and corrosion resistance, while the aluminum inner liner heats quickly to promote a strong, steady draft. This proven combination ensures safe performance and long service life in demanding venting environments. Installation is quick and efficient with Selkirk’s snap-together, non-positional lock system and die-formed ends, eliminating the need for cutting, fitting, or special tools. Its four-piece twist design allows accurate angle adjustment up to 90 degrees, while the improved joint design delivers a tight, secure connection in seconds for peace of mind. 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.