Selkirk 3 in. Aluminum/Galvanized Steel Band Wall Bunt is a rugged, versatile component designed to integrate with Type B chimney vent systems, offering reliable performance for both indoor and outdoor installations.
Constructed from a durable combination of aluminum and galvanized steel, this 3-inch band provides a secure, corrosion-resistant connection that stands up to the elements and heavy-use environments. With UL listing, you gain a safety-backed piece that helps meet code requirements for residential and light commercial venting.
Key features
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Diameter: 3 in — ideal for standard Type B venting configurations.
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Materials: Aluminum and galvanized steel blend for strength and weather resistance.
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Vent Type: Type B — compatible with common gas-vented appliances.
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Color: Gray — unobtrusive finish that blends with most installations.
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Indoor/Outdoor: Suitable for both indoor and outdoor use.
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UL Listed: Yes — added safety and compliance.
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Model: 3RV-WS/B — specific designation for this wall band component.
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Package: 1 unit per package.
This Band Wall Bunt is designed to simplify venting projects where a robust wall connection is required. The 3-inch diameter strikes a balance between efficient exhaust flow and a compact footprint, making it well-suited for older homes upgrading to Type B vent systems or new installations where wall sleeves require a snug, durable band connection.
Ideal use cases
- Residential gas fireplaces or furnaces that rely on Type B venting with a 3-inch connection.
- Retrofits where an outdoor vent path meets an interior wall, reducing heat transfer and drafts.
- New builds that require a reliable, UL-listed band connection for a clean, code-compliant installation.
Why choose this Selkirk component over generic options? Its aluminum/galvanized steel construction delivers lasting resilience against corrosion and temperature fluctuations, while UL listing provides assurance of safety and code compatibility. The gray finish and compact 3-inch footprint help it blend seamlessly into most venting plans without drawing unnecessary attention.
Pro tips:
- Verify your appliance and vent system are compatible with Type B components and a 3-inch connection before installation.
- Use high-temperature, code-approved sealant and fasteners rated for Type B venting to ensure a tight, leak-free connection.
- Consult your local building codes or a professional installer if you’re unsure about wall penetration requirements, clearance, or vent length limitations.
