Dayton Ceiling/Roof-Mount Backdraft Damper
The Dayton is a ceiling/roof-mount backdraft damper with a 21-inch height, 21-inch width, and 4.5-inch length, designed for use with an 18-inch fan. It features a single-panel flat blade design, felt seals, and a…
SKU 3G-OTH-74740
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The Dayton is a ceiling/roof-mount backdraft damper with a 21-inch height, 21-inch width, and 4.5-inch length, designed for use with an 18-inch fan. It features a single-panel flat blade design, felt seals, and a 2-inch depth, with vertical airflow direction and horizontal mounting position. The damper supports a maximum air velocity of 2000 fpm.
Frequently Asked Questions
What is the Dayton backdraft damper used for?
The Dayton backdraft damper prevents reverse airflow in ceiling or roof exhaust systems. It mounts horizontally with an 18-inch fan, using a single-panel flat blade and felt seals to close automatically when the fan stops, maintaining ventilation efficiency.
What are the specifications of the Dayton backdraft damper?
The Dayton has a 21-inch height, 21-inch width, 2-inch depth, and 4.5-inch length. It supports vertical airflow at a maximum velocity of 2000 fpm, with a flat blade design and felt seals. Mounting position is horizontal, for use with an 18-inch fan.
Where to buy the Dayton backdraft damper worldwide?
3G Electric supplies the Dayton 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 pricing and lead time on this single-panel, felt-sealed damper.
How to install the Dayton backdraft damper?
Mount the Dayton horizontally in the duct or roof curb, ensuring the blade pivots freely and the felt seals contact the frame evenly. Secure with fasteners rated for the duct material. Verify vertical airflow direction matches the fan discharge before final tightening.
Used in
Common applications for DaytonDayton Products
3G Electric supplies Dayton ceiling/roof-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
You might also need
Compatible alternatives & equivalents
- Dayton This wall-mount backdraft damper is designed for vertical mounting in exhaust or intake systems to prevent reverse airflow when the fan is off. It features a single-panel, flat blade construction with vertical airflow direction. Suitable for use with a 12-inch fan, it handles a maximum air velocity of 2250 fpm
- Dayton Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 12 3/4 inches high and wide. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow when fan is off in ventilation systems
