Dayton 3G-OTH-74785 — Technical Specifications

Name: Dayton 3G-OTH-74785 26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D (MPN 3HHR2). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Brand: Dayton

The Dayton 26"H-W Aluminum Spring Backdraft Damper (SKU 3HHR2) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It features a single-panel construction with dimensions of 26 inches in height, 26 inches in width, and 1 5/8 inches in depth, and is intended for use with a 24-inch fan. The damper supports a maximum air velocity of 2000 fpm.

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Technical Specifications

Parameter	Value
D	1 5/8 in
H	26 in
Type	Single Panel, 26 in W
Brand	DAYTON
Airflow Direction	Horizontal
Mounting Position	Horizontal
Maximum Air Velocity	2000 fpm
Manufacturer Part Number	3HHR2