The Selkirk 5-Inch Diameter Type B Gas Vent Storm Collar is a reliable and essential component designed to enhance the performance and durability of your HVAC system. Specifically engineered for use with Type B gas vent systems, this storm collar provides a secure seal at the point where the vent pipe passes through a roof flashing, effectively shielding the interior of the vent from rain and other outdoor elements.
Constructed from durable galvanized steel, the storm collar offers excellent resistance to corrosion and weathering, ensuring long-lasting performance even under tough conditions. Its rugged build supports use in a wide range of gas-fired Category I natural draft appliances, such as tank water heaters, warm air furnaces, residential boilers, and common vented systems.
Easy to install, this storm collar provides peace of mind and dependable performance for both professionals and DIY installers. Whether you’re upgrading or maintaining an HVAC system, the Selkirk Storm Collar is a practical and high-quality solution for weather-sealing your vertical vent installations.
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.
- Designed for Type B gas vent systems, the Selkirk 5-Inch Storm Collar seals the vent pipe at the roof flashing to block rain and outdoor elements
- Made from galvanized steel for superior resistance to corrosion and weathering
- Engineered to withstand tough outdoor conditions for extended reliability
- Supports use with gas-fired Category I appliances such as water heaters, furnaces, boilers, and common vented systems
- User-friendly design makes it suitable for both professional contractors and DIY installers
- Selkirk has led HVAC innovation with durable, efficient, UL-tested products engineered to exceed safety standards
- Size: 5-inch
- Color: Silver
- Dimensions (L x W x H): 1.60 x 8.60 x 8.60 inches
- Weight: 0.30 pounds
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What is the system constructed from?
The system is constructed from steel. The construction is built to handle exposure to outdoor conditions including sun and moisture. This material choice supports everyday use while maintaining the structural integrity needed for the product’s intended applications.
How big is the system?
The system measures 1.60 x 8.60 x 8.60 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
Is the system designed for outdoor use?
Yes. The system is built for outdoor environments such as patios, decks, yards, and gardens. Position it where it will see regular use but remains accessible for the items it stores or supports.
How do I clean and care for the system?
Wipe with a damp cloth and dry thoroughly to prevent rust. For powder-coated finishes, avoid abrasive cleaners that may scratch the coating. Regular light cleaning extends the lifespan of the system and keeps it looking and performing well over time.
Who makes the system?
The system is made by Selkirk. Selkirk produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the system weigh?
The system weighs approximately 0.30 pounds. Use this figure when planning transport, handling, or placement of the item.


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