Dayton 21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H
The Dayton 3G-OTH-76217 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 21 inches high by 21 inches wide with a 2.5-inch depth, and is…
SKU 3G-OTH-76217
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 3G-OTH-76217 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 21 inches high by 21 inches wide with a 2.5-inch depth, and is constructed of aluminum for use with an 18-inch fan. The damper supports a maximum air velocity of 2500 fpm.
Frequently Asked Questions
What is the Dayton 4C558 backdraft damper used for?
The Dayton 4C558 is a wall-mount backdraft damper that prevents reverse airflow in ventilation systems. It is designed for horizontal airflow in a vertical mounting position, commonly used with an 18-inch fan in commercial or industrial exhaust applications.
What are the specifications of the Dayton 4C558 backdraft damper?
The Dayton 4C558 measures 21 inches high by 21 inches wide with a 2.5-inch depth. It features flat aluminum blades, supports a maximum air velocity of 2500 fpm, and is designed for horizontal airflow in a vertical mounting position. The manufacturer part number is 4C558.
Where to buy the Dayton 4C558 backdraft damper worldwide?
3G Electric supplies the Dayton 4C558 backdraft damper worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the Dayton 4C558 backdraft damper?
Install the Dayton 4C558 in a vertical mounting position with the airflow direction horizontal. Secure the damper to the wall or duct opening, ensuring the blades open freely with airflow. Follow standard HVAC practices for sealing and support to prevent air leakage.
Used in
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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.
