Dayton 3G-OTH-76831 — Technical Specifications

Name: Dayton 3G-OTH-76831 45"H-W 6.5"L Extrd Alu Backdraft Dampr: For 42 in Fan, Double Panel, 45 in H, 45 in W, 3 in D, Wall (MPN 4FZJ1). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 3250 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 4FZJ1 is a wall-mount backdraft damper with extruded aluminum construction, designed for use with a 42-inch fan. It features flat blades, a horizontal airflow direction, and a vertical mounting position, with a maximum air velocity of 3250 fpm. The damper measures 45 inches in height, 45 inches in width, and 3 inches in depth, with a double-panel design.

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Technical Specifications

Parameter	Value
D	3 in
H	45 in
Type	Double Panel, 45 in W, Wall
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	3250 fpm
Manufacturer Part Number	4FZJ1