About Duct Connections
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Standard Duct and Fittings
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No need for clamps or connectors—duct and fittings press-fit together. Male ends are crimped or tapered, making them slightly smaller than a female end for simple assembly.
Galvanized steel has good corrosion resistance. 304 stainless steel is more corrosion resistant than steel and aluminum.
For technical drawings and 3-D models, click on a part number.
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Galvanized Steel | 304 Stainless Steel | |||||||
---|---|---|---|---|---|---|---|---|
Duct Size | Female ID | End Construction | Gauge | Each | Gauge | Each | ||
3 | 3" | Plain | 26 | 0000000 | 000000 | __ | 000000 | 00 |
4 | 4" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 000000 |
5 | 5" | Plain | 26 | 0000000 | 00000 | __ | 000000 | 00 |
6 | 6" | Plain | 30 | 0000000 | 00000 | 26 | 0000000 | 00000 |
7 | 7" | Plain | 30 | 0000000 | 00000 | __ | 000000 | 00 |
8 | 8" | Plain | 30 | 0000000 | 00000 | 26 | 0000000 | 00000 |
9 | 9" | Plain | 30 | 0000000 | 00000 | __ | 000000 | 00 |
10 | 10" | Plain | 30 | 0000000 | 00000 | 26 | 0000000 | 000000 |
12 | 12" | Plain | 30 | 0000000 | 00000 | 26 | 0000000 | 000000 |
Chemical-Resistant Duct and Fittings
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Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes. Use PVC pipe cement (not included) to secure components. Fittings have female ends with a slightly larger diameter to press-fit over duct.
For technical drawings and 3-D models, click on a part number.
Gas Chimney Vents and Fittings
For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.
To join pipes and connectors, insert a male end into a female end and secure with the included locking band.
For technical drawings and 3-D models, click on a part number.
High-Temperature Chimney Vents and Fittings
Built to withstand temperatures up to 1000° F, these vent pipes and fittings are for use with boilers, furnaces, stoves, and other equipment that is fired by gas, oil, wood, or coal.
To join pipes and connectors, twist a male end into a female end and secure with the included locking band.