Whole House Attic Fan Replacement Ceiling Louvers
$139.99 – $524.99
19 sizes of replacement attic fan shutters.
For Sale In 48 Continental States
Note – all blades run parallel to the length dimension.
Please match up the shutter as close as possible to the overall size or rough opening size. The overall size of the shutter includes the mounting flanges.
Please note that you may need to go slightly larger or slightly smaller. If you go slightly smaller any gaps can be covered with wood trim.
If you have any questions or need any assistance please do not hesitate to call us at 1-800-222-5932
Description
Whole House Attic Fan Replacement Ceiling Louvers and Shutters for horizontal mount exhaust in residential ceilings for whole-house fans. Specifications for all sizes in the sizing tabs.
Premium Ceiling Shutters
This model is our premium exhaust ceiling shutter. The flanged frame and blades are aluminum with a Polar White finish. The blades have a galvanized reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing. The shutter utilizes tie rods on both ends of the blades for uniform opening when the fan is operating.
Economy Ceiling Shutters
This model is a low velocity exhaust ceiling shutter. The flanged frame and blades are aluminum with a Polar White finish. The blades have a felt seal on the leading edge for quiet closing. The shutter utilizes tie rods on both ends of the blades for uniform opening when the fan is operating.
Premium and Economy Truss Shutters
This model is an exhaust ceiling shutter that installs without framing or cutting the ceiling joist. The flanged frame and blades are aluminum with a Polar White finish. The blades have a felt seal on the leading edge for quiet closing. The shutter utilizes tie rods on both ends of the blades for uniform opening when the fan is operating.
Premium Shutter Sizing
Please match up the shutter as close as possible to the rough opening size. You may need to go slightly larger or slightly smaller. If you go slightly smaller any gaps can be covered with wood trim.
Note – all blades run parallel to the Length dimension and all dimensions are in inches.
Any questions? Please do not hesitate to call us at 800-222-5932
Common Specs
Frame Depth: 1-3/8″
Open Depth: 5″
Flange Width: 1-1/2″
Mount Hole Dia: 3/16″
Blade Material: White Painted Aluminum
Frame Materials: Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Premium Ceiling Shutters
4C224
Fits Fan Diameter: 24
Opening Required: 24L x 24W
Outside Dimensions: 26L x 26W
Maximum CFM: 7,000 CFM
4C225
Fits Fan Diameter: 30
Opening Required: 30L x 30W
Outside Dimensions: 32L x 32W
Maximum CFM: 10,450 CFM
3HHR5
Fits Fan Diameter: 36
Opening Required: 33L x 38W
Outside Dimensions: 35L x 40W
Maximum CFM: 18,250 CFM
4C228
Fits Fan Diameter: 36
Opening Required: 36L x 36W
Outside Dimensions: 38L x 38W
Maximum CFM: 16,400 CFM
3C242
Fits Fan Diameter: 42
Opening Required: 42L x 42W
Outside Dimensions: 44L x 44W
Maximum CFM: 21,500 CFM
3C243
Fits Fan Diameter: 48
Opening Required: 48L x 48W
Outside Dimensions: 50L x 50W
Maximum CFM: 20,750 CFM
Premium Ceiling Truss Shutters
3HHR6
Fits Fan Diameter: 24
Opening Required: 30L x 24W
Outside Dimensions: 32L x 26W
Maximum CFM: 7,000 CFM
3HHR7
Fits Fan Diameter: 30
Opening Required: 33 x 30W
Outside Dimensions: 35L x 32W
Maximum CFM: 7,750 CFM
3HHR8
Fits Fan Diameter: 42
Opening Required: 40 x 38W
Outside Dimensions: 42L x 40W
Maximum CFM: 12,250 CFM
3HHR9
Fits Fan Diameter: 42
Opening Required: 41 x 30W
Outside Dimensions: 43L x 32W
Maximum CFM: 9,750 CFM
Economy Shutter Sizing
Please match up the shutter as close as possible to the rough opening size. You may need to go slightly larger or slightly smaller. If you go slightly smaller any gaps can be covered with wood trim.
Note – all blades run parallel to the Length dimension and all dimensions are in inches.
Any questions? Please do not hesitate to call us at 800-222-5932
Common Specs
Frame Depth: 1-3/8″
Open Depth: 5″
Flange Width: 1-1/2″
Mount Hole Dia: 3/16″
Blade Material: White Painted Aluminum
Frame Materials: Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Economy Ceiling Shutters
3HHR2
Fits Fan Diameter: 24
Opening Required: 24L x 24W
Outside Dimensions: 26L x 26W
Maximum CFM: 5,450 CFM
3HHR3
Fits Fan Diameter: 30
Opening Required: 30L x 30W
Outside Dimensions: 32L x 32W
Maximum CFM: 7,950 CFM
3HHR4
Fits Fan Diameter: 36
Opening Required: 34L x 34W
Outside Dimensions: 36L x 36W
Maximum CFM: 10,940 CFM
Economy Ceiling Truss Shutters
3C510
Fits Fan Diameter: 24
Opening Required: 24L x 30W
Outside Dimensions: 26L x 32W
Maximum CFM: 5,000 CFM
4HA10
Fits Fan Diameter: 24
Opening Required: 28-3/4L x 27-11/16W
Outside Dimensions: 31L x 30W
Maximum CFM: 6,600 CFM
4HA11
Fits Fan Diameter: 30
Opening Required: 28-3/4L x 33-7/8W
Outside Dimensions: 31L x 36W
Maximum CFM: 8,150 CFM
3C511
Fits Fan Diameter: 30
Opening Required: 30L x 30W
Outside Dimensions: 32L x 32W
Maximum CFM: 7,000 CFM
3C512
Fits Fan Diameter: 36
Opening Required: 34L x 30W
Outside Dimensions: 36L x 32W
Maximum CFM: 8,970 CFM
4HA12
Fits Fan Diameter: 36
Opening Required: 35-3/4L x 34W
Outside Dimensions: 38L x 36W
Maximum CFM: 10,700 CFM
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