Dayton 3G-OTH-76155 — Technical Specifications

Name: Dayton 3G-OTH-76155 21"H-W 6"L Aluminum Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/4 in D (MPN 2C521). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 2C521 is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel, flat blade construction with a horizontal airflow direction and vertical mounting position. The damper measures 21 inches in height, 21 inches in width, and 2 1/4 inches in depth, with a maximum air velocity of 2000 fpm.

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Technical Specifications

Parameter	Value
D	2 1/4 in
H	21 in
Type	Single Panel, 21 in W
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Vertical
Maximum Air Velocity	2000 fpm
Manufacturer Part Number	2C521