Dayton 3G-OTH-76620 — Technical Specifications

Name: Dayton 3G-OTH-76620 39"H-W 5 1/4"L Aluminum Backdraft Damper: For 36 in Fan, Double Panel, 39 in H, 39 in W, 3 in D (MPN 3HHN9). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2500 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 39"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3HHN9) is a wall-mount backdraft damper designed for a 36-inch fan. It features flat blades, a double-panel construction, and measures 39 inches in height, 39 inches in width, and 3 inches in depth. The damper supports horizontal airflow with a vertical mounting position and a maximum air velocity of 2500 fpm.

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Technical Specifications

Parameter	Value
D	3 in
H	39 in
Type	Double Panel, 39 in W
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	2500 fpm
Manufacturer Part Number	3HHN9