

Hero image 0 of GAF Master Flow 8 in. Duct Board Starting Collar Take Off, 0 of 4
GAF Master Flow 8 in. Duct Board Starting Collar Take Off
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Key item features
- Versatile Connection: Connects 8-inch round pipes or insulated flexible ducts to flat plenums or ductboard surfaces for universal HVAC transitions.
- Durable Construction: Made from heavy-duty galvanized steel, ensuring exceptional durability, corrosion resistance, and long-lasting performance.
- Secure Fit: Features extra-long tabs designed to accommodate most ductboard thicknesses up to 1-1/2 inches (R-6 value).
- Broad Compatibility: Works with both internally lined and unlined plenums, suitable for various HVAC configurations.
- Easy Installation: Installs quickly and securely using sheet metal screws (not included), with seam sealing recommended for airtight efficiency.
- Optimized Performance: Enhances airflow efficiency, helping to reduce energy loss and improve overall duct system performance in residential and commercial HVAC systems.
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Specs
- Duct size8 In.
- MaterialSteel
- FeaturesInsulated
- BrandGAF
- Size8"
- Thickness5.5 in
Current price is USD$24.99
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About this item
Product details
The Master Flow 8 in. Starting Collar Take Off is a versatile HVAC transition component, designed to provide a secure connection between a flat plenum surface and round pipe or insulated flexible duct. Made from heavy-duty galvanized steel, this collar ensures durability and corrosion resistance. It features extra-long tabs that accommodate most ductboard thicknesses up to 1-1/2 in.es (R-6 value), making it ideal for universal HVAC applications. This collar is compatible with both internally lined and unlined plenums and installs easily with sheet metal screws (not included). For best performance, seal seams with code-approved mastic, sealant, or duct tape (sold separately).
- Universal HVAC Transition Collar – Connects round pipes or insulated flexible ducts to flat plenums or ductboard surfaces.
- Heavy-Duty Galvanized Steel Construction – Provides exceptional durability, corrosion resistance, and long-lasting performance.
- Extra-Long Tabs for Secure Fit – Designed to accommodate most ductboard thicknesses up to 1-1/2 in.es (R-6 value).
- Works with Lined & Unlined Plenums – Suitable for various HVAC configurations for enhanced versatility.
- Quick & Easy Installation – Installs securely using sheet metal screws (not included).
- Seam Sealing Recommended – Use code-approved mastic, sealant, or duct tape (sold separately) for airtight efficiency.
- Optimized for Residential & Commercial HVAC Systems – Ideal for heating, cooling, and ventilation applications.
- Lightweight Yet Sturdy – Offers professional-grade performance while being easy to handle and install.
- Enhances Airflow Efficiency – Helps reduce energy loss and improve duct system performance.
- Trusted HVAC Brand – Master Flow delivers premium duct fittings and ventilation solutions for optimized airflow control.
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Specifications
Duct size
8 In.
Material
Steel
Features
Insulated
Brand
GAF
Warranty
Warranty information
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