Dayton 3G-OTH-74904 — Technical Specifications

Name: Dayton 3G-OTH-74904 35 7/8"H-W Aluminum Ceiling Truss Damper: For 30 in Fan, Single Panel, 30 3/4 in H, 35 7/8 in W (MPN 4HA11). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
Brand: Dayton

The Dayton 4HA11 is a ceiling/roof-mount backdraft damper designed for horizontal mounting and horizontal airflow. This single-panel aluminum unit measures 35 7/8 inches wide by 30 3/4 inches high and is intended for use with a 30-inch fan. It has a maximum air velocity of 1500 fpm.

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Technical Specifications

Parameter	Value
H	30 3/4 in
Type	Single Panel, 35 7/8 in W
Brand	DAYTON
Airflow Direction	Horizontal
Mounting Position	Horizontal
Maximum Air Velocity	1500 fpm
Manufacturer Part Number	4HA11