Dayton 52"H-W 4.5"L Aluminum Backdraft Damper: For 48 in Fan, Single Panel, 52 in H
The Dayton 52"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX71) is a ceiling/roof-mount backdraft damper designed for use with a 48-inch fan. It features a single-panel, flat blade design with vertical airflow…
SKU 3G-OTH-75167
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Product Description
The Dayton 52"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX71) is a ceiling/roof-mount backdraft damper designed for use with a 48-inch fan. It features a single-panel, flat blade design with vertical airflow direction and horizontal mounting, supporting a maximum air velocity of 2250 fpm. The damper measures 52 inches in height, 52 inches in width, and 2 inches in depth, with felt construction.
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 52"H-W 4.5"L Aluminum Backdraft Damper used for?
This backdraft damper is used to prevent reverse airflow in ceiling or roof-mount ventilation systems. It is designed for use with a 48-inch fan, allowing air to exit vertically while closing automatically when the fan stops, protecting against drafts and debris entry.
What are the specifications of the Dayton 4HX71 backdraft damper?
The Dayton 4HX71 backdraft damper measures 52 inches in height, 52 inches in width, and 2 inches in depth. It features a single-panel flat blade design, vertical airflow direction, horizontal mounting, and supports a maximum air velocity of 2250 fpm. The construction includes felt material.
Where to buy the Dayton 4HX71 backdraft damper worldwide?
3G Electric supplies the Dayton 4HX71 backdraft damper worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote.
How to install a Dayton backdraft damper for a 48-inch fan?
Mount the damper horizontally on the ceiling or roof, aligning it with the 48-inch fan opening. Ensure the airflow direction is vertical and the blades move freely. Secure the frame and seal edges to prevent leaks. Follow standard HVAC practices for duct connections.
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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.














