Dayton 3G-OTH-76289 — Technical Specifications

Name: Dayton 3G-OTH-76289 23"H-W 5.75"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D (MPN 4C559). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2500 fpm; Mounting Position: Vertical.
Brand: Dayton

The DAYTON 4C559 is a wall-mount backdraft damper with flat blades, designed for a 20-inch fan. It measures 23 inches high by 23 inches wide by 2.5 inches deep, with a horizontal airflow direction and vertical mounting position. The damper supports a maximum air velocity of 2500 fpm.

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Technical Specifications

Parameter	Value
D	2 1/2 in
H	23 in
Type	Single Panel, 23 in W
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	2500 fpm
Manufacturer Part Number	4C559