Dayton 3G-OTH-77327 — Technical Specifications

Name: Dayton 3G-OTH-77327 23"H-W 5 1/4"L SS Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 in D, Horizontal (MPN 4FZJ7). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2500 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 4FZJ7 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 23 inches high, 23 inches wide, and 2 inches deep, with a maximum air velocity of 2500 fpm. This single-panel damper is intended for use with a 20-inch fan.

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Technical Specifications

Parameter	Value
D	2 in
H	23 in
Type	Single Panel, 23 in W, Horizontal
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	2500 fpm
Manufacturer Part Number	4FZJ7