Dayton 21"H-W 5 1/4"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H
The Dayton 21"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3G-OTH-77269) is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel flat blade construction, measures 21 inches in…
SKU 3G-OTH-77269
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Dayton 21"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3G-OTH-77269) is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel flat blade construction, measures 21 inches in height, 21 inches in width, and 3 inches in depth, and is rated for a maximum air velocity of 2500 fpm with horizontal airflow and vertical mounting.
Frequently Asked Questions
What is the Dayton backdraft damper used for?
The Dayton backdraft damper prevents reverse airflow in exhaust or intake systems. It is designed for wall-mounting with an 18-inch fan, allowing air to flow horizontally while blocking backdrafts when the fan is off.
What are the specifications of the Dayton backdraft damper?
The Dayton is a single-panel flat blade damper measuring 21 in H x 21 in W x 3 in D. It is rated for a maximum air velocity of 2500 fpm, mounts vertically, and directs airflow horizontally. The aluminum construction resists corrosion.
Where to buy the Dayton backdraft damper worldwide?
3G Electric supplies the Dayton backdraft damper to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other industrial ventilation components.
How to install a Dayton wall-mount backdraft damper?
Mount the Dayton damper vertically in the wall opening, ensuring the airflow arrow points in the intended direction. Secure the frame with appropriate fasteners and seal the perimeter. The flat blades should swing freely to prevent binding during operation.
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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.
