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Duct Profile
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Rectangular Duct and Fittings
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Maximize the space in close quarters, such as inside walls and ceilings. As rectangular duct sizes increase, they get wider but not taller. This shape is most often used for heating and cooling inside buildings. Components connect with brackets.
Duct
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Pair with compatible fittings and accessories.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Galvanized Steel | ||||||||
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Wd. | Ht. | Lg., ft. | Ga. | Includes | Each | |||
8" | 8" | 4 | 28 | Two Drive Brackets, Two S-Brackets | 0000000 | 000000 | ||
10" | 8" | 4 | 28 | Two Drive Brackets, Two S-Brackets | 0000000 | 00000 | ||
12" | 8" | 4 | 28 | Two Drive Brackets, Two S-Brackets | 0000000 | 00000 | ||
14" | 8" | 4 | 28 | Two Drive Brackets, Two S-Brackets | 0000000 | 00000 | ||
16" | 8" | 4 | 26 | Two Drive Brackets, Two S-Brackets | 0000000 | 00000 | ||
20" | 8" | 4 | 26 | Two Drive Brackets, Two S-Brackets | 0000000 | 000000 | ||
24" | 8" | 4 | 26 | Two Drive Brackets, Two S-Brackets | 0000000 | 000000 | ||
Brackets
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S-Bracket |
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Drive Bracket |
Securely connect rectangular duct and fittings. Brackets can be cut to length. Also known as cleats.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
S-Bracket—Connect the long sides of duct.
Drive Bracket— Connect the short sides of duct.
90° Elbow Connectors
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Horizontal Elbow |
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Vertical Elbow |
Change the direction of airflow when joining lengths of duct.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Galvanized Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Wd. | Ht. | Ga. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Horizontal Elbow | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
8" | 8" | 28 | 0000000 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
12" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
14" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
16" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
20" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
24" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Vertical Elbow | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
8" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
12" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
14" | 8" | 28 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
16" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
20" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
24" | 8" | 26 | 0000000 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
45° Elbow Connectors
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Horizontal Elbow |
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Vertical Elbow |
Change the direction of airflow when joining lengths of duct.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Straight Reducers
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Shown Installed |
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Transition between ducts of different sizes. These reducers decrease duct width by 2". Cut a hole in the smaller duct to fit the reducer and secure it with tapping screws.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Galvanized Steel | ||||||
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Wd. | Ht. | Ga. | Each | |||
2" | 8" | 28 | 0000000 | 000000 | ||
Straight Collars
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Add a branch to an existing line of rectangular duct. Cut a hole in the duct, attach the collar by bending the tabs, and connect another piece of duct.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
End Caps
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Cover unused duct openings to prevent air leaks. End caps are often used to seal duct after changes to your system or equipment. To make modifications or expand your line, remove the cap.
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Duct Turning Vanes
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Shown Cut and Assembled |
Turning Vanes—Guide air smoothly around sharp bends. These turning vanes improve airflow efficiency by reducing turbulence and pressure loss. Cut vanes to size and pair with rails. Mount assembled vanes inside duct using tapping screws.
Turning Vane Rails—Mounting tabs hold vanes in place. Cut rails to length.
Duct Vent Caps
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Wall Mount | Sloped Roof Mount |
Cover wall and roof vents to prevent cold air and debris from entering your system. These caps have damper to reduce backdrafts and a screen that blocks birds from sneaking in.
Painted Steel—Strong for a long life, these caps have a black finish to prevent rust.
Turning Vanes for Rectangular Duct
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Shown Cut and Assembled |
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Turning Vanes |
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Turning Vane Rails |
Guide air smoothly around sharp bends in rectangular duct. Turning vanes improve airflow efficiency by reducing turbulence and pressure loss. To assemble, cut vanes and rails to size. Rails have mounting tabs to hold vanes. Mount inside duct using tapping screws (not included).
Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
Quick-Open Access Panels
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Style A | Style B | Style C | Style D |
It only takes a few seconds to get inside duct that needs regular inspection and cleaning. These panels clamp onto cutouts and have a gasket for a tight seal. Use the included template to make the cutout. Also known as cleanouts.
Galvanized Steel Panel and Frame—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
For Duct | For Cutout | Window | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Style | Ht. | Wd. | Ht. | Wd. | Ht. | Wd. | Temp. Range, ° F | Features | Mount Type | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
For Rectangular Duct | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Galvanized Steel Panel and Frame | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
A | 10" | 14" | 6" | 10" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
A | 12" | 16" | 8" | 12" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 0000000 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
A | 18" | 22" | 14" | 18" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B | 8" | 12" | 4" | 8" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 00000000 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
C | 16" | 20" | 12" | 16" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 00000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
C | 22" | 28" | 18" | 24" | — | — | -20° F to 200° F | Insulated Backing | Clamp On | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
D | 10" | 14" | 6" | 10" | 2 5/8" | 4" | -20° F to 200° F | Viewing Window | Clamp On | 00000000 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
D | 16" | 20" | 12" | 16" | 8" | 8" | -20° F to 200° F | Insulated Backing, Viewing Window | Clamp On | 00000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High-Temperature Quick-Open Access Panels
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With a ceramic fiber gasket and an iron frame, these panels withstand temperatures up to 2300° F. They’re commonly used in grease ducts and other high-temperature systems that need frequent cleaning. Panels clamp onto cutouts and the gasket keeps heat and material sealed inside. Use the included template to make the cutout. Also known as cleanouts.