Dayton 19.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 20 in Fan, For 20 in Nominal Duct Dia
The Dayton 19.8"H-W 4.5"L Alu Spring Bkdrft Dampr (SKU 3G-OTH-74522) is a universal-mount backdraft damper designed for use with a 20-inch fan and 20-inch nominal duct diameter. It features a single-panel flat blade…
SKU 3G-OTH-74522
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The Dayton 19.8"H-W 4.5"L Alu Spring Bkdrft Dampr (SKU 3G-OTH-74522) is a universal-mount backdraft damper designed for use with a 20-inch fan and 20-inch nominal duct diameter. It features a single-panel flat blade construction, supports horizontal airflow direction, and is intended for vertical mounting positions. The damper has a maximum air velocity of 2000 fpm.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Dayton backdraft damper used for?
The Dayton backdraft damper prevents reverse airflow in 20-inch duct systems. It is used with a 20-inch fan, mounts vertically, and handles horizontal airflow. Common in HVAC exhaust and ventilation applications where one-way airflow is critical.
What are the specifications of the Dayton backdraft damper?
The Dayton is a single-panel flat blade damper for 20-inch nominal duct diameter. It has a 19.8-inch height, 4.5-inch length, supports horizontal airflow, mounts vertically, and handles maximum air velocity of 2000 fpm. Blade material is aluminum.
Where to buy the Dayton backdraft damper worldwide?
3G Electric supplies the Dayton backdraft damper worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Dayton parts and support procurement across 14 departments.
How to install the Dayton backdraft damper?
Install the Dayton damper in a vertical mounting position with airflow direction horizontal. Ensure the duct is 20-inch nominal diameter and the fan matches. Secure the damper frame to the duct flange, and verify the flat blades open freely with airflow.
Used in
Common applications for DaytonDayton Products
3G Electric supplies Dayton universal-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
