Dayton 57"H-W 5.75"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H
The Dayton 57"H-W 5.75"L Aluminum Backdraft Damper (SKU 45C668) is a wall-mount backdraft damper designed for use with a 54-inch fan. It features flat blades, horizontal airflow direction, and a vertical mounting…
SKU 3G-OTH-77199
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Product Description
The Dayton 57"H-W 5.75"L Aluminum Backdraft Damper (SKU 45C668) is a wall-mount backdraft damper designed for use with a 54-inch fan. It features flat blades, horizontal airflow direction, and a vertical mounting position, with a maximum air velocity of 2500 fpm. This double-panel damper measures 57 inches in height, 57 inches in width, and 2 1/4 inches in depth.
Frequently Asked Questions
What is the Dayton 45C668 backdraft damper used for?
The Dayton 45C668 backdraft damper is used to prevent reverse airflow in ventilation systems, typically mounted on a wall with a 54-inch fan. It allows air to flow horizontally while closing automatically when the fan stops, maintaining system efficiency and preventing contamination.
What are the specifications of the Dayton 45C668 backdraft damper?
The Dayton 45C668 is a double-panel aluminum backdraft damper measuring 57 inches high by 57 inches wide by 2 1/4 inches deep. It has flat blades, horizontal airflow direction, vertical mounting position, and a maximum air velocity of 2500 fpm. It is designed for use with a 54-inch fan.
Where to buy the Dayton 45C668 backdraft damper worldwide?
3G Electric supplies the Dayton 45C668 backdraft damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item.
How to install a Dayton backdraft damper?
Install the Dayton backdraft damper in a vertical wall opening with the airflow direction horizontal. Ensure the damper frame is securely mounted and sealed to prevent air leaks. The blades should open freely with fan operation and close by gravity when the fan stops. Follow standard HVAC installation practices.
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3G Electric supplies Dayton wall-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













