Dayton 17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H
The Dayton 4HX65 is a ceiling/roof-mount backdraft damper with a single-panel, flat-blade design. It measures 17 inches high by 17 inches wide by 2 inches deep, with a 4.5-inch length, and is constructed of aluminum…
SKU 3G-OTH-74719
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Product Description
The Dayton 4HX65 is a ceiling/roof-mount backdraft damper with a single-panel, flat-blade design. It measures 17 inches high by 17 inches wide by 2 inches deep, with a 4.5-inch length, and is constructed of aluminum for a 12-inch fan. This damper is designed for vertical airflow in a horizontal mounting position, with 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 4HX65 backdraft damper used for?
The Dayton 4HX65 is a ceiling/roof-mount backdraft damper that prevents reverse airflow in ventilation systems. It is designed for a 12-inch fan, handles vertical airflow up to 2000 fpm, and mounts horizontally. 3G Electric supplies this Dayton model for industrial exhaust and intake applications worldwide.
What are the specifications of the Dayton 4HX65 backdraft damper?
The Dayton 4HX65 measures 17 in H by 17 in W by 2 in D, with a 4.5 in length. It features a single-panel, flat-blade aluminum construction with felt seals, designed for vertical airflow in a horizontal mounting position. Maximum air velocity is 2000 fpm.
Where to buy the Dayton 4HX65 backdraft damper worldwide?
3G Electric supplies the Dayton 4HX65 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 model.
How to install a Dayton 4HX65 backdraft damper?
Install the Dayton 4HX65 in a horizontal ceiling or roof opening, ensuring the airflow arrow points upward for vertical discharge. Secure the damper frame to the fan or duct flange using appropriate fasteners. Verify the flat blades move freely and the felt seals are intact before operation.
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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.














