How much is the auto shutter for this unit?
The Broan 353SO is not designed to need a shutter, per the manufacturer, as the fan is not actually strong enough to require one.

With a gable mount installation, the fan is installed in the side or gable of the attic. Because the gable may not face the sun, the product utilizes the same remote panel as found in the remote roof mounts. The panel is installed on the roof where it captures the sun’s energy and powers the fan via a 15’ wire. As with the remote mount fan, the homeowner can add up to 50’ of wire if necessary.
This product is listed under the following manufacturer number(s):
*Denotes a finish or option that has been discontinued
The Broan 353SO is not designed to need a shutter, per the manufacturer, as the fan is not actually strong enough to require one.
For the Broan 353SO, the best exposure is usually the south side of your home, but this is not always true. You just need to monitor how the sun falls and decide which area gets the most exposure for your particular installation.
| Function | Attic Fan, Solar |
|---|---|
| Solar | Yes |
| Made in America | Yes |
| Height | 8.75 |
| Wire Length | 180 |
| Width | 19.75 |
| Attic Size | 1600 |
| Inlet Area | 4.25 |
| Category | Sale |
| Configuration | Exhaust Fan |
| Installation Type | Gable Mounted |
| Speeds | 1 |
| Country Of Origin | USA |
| Includes Thermostat | No |
| Length | 16.5 |
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