Dayton 35"H 32"W Aluminum Ceiling Truss Damper: For 30 in Fan, Single Panel, 35 in H
The Dayton 35"H 32"W Aluminum Ceiling Truss Damper (SKU 3HHR7) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It is a single-panel unit with dimensions of 35 inches…
SKU 3G-OTH-75022
Need installation or engineering help?
Ask a question
Product Description
The Dayton 35"H 32"W Aluminum Ceiling Truss Damper (SKU 3HHR7) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It is a single-panel unit with dimensions of 35 inches in height, 32 inches in width, and 1 5/8 inches in depth, intended for use with a 30-inch fan. The damper has a maximum air velocity of 1500 fpm.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Dayton 35H 32W Aluminum Ceiling Truss Damper used for?
This backdraft damper prevents reverse airflow in ceiling or roof exhaust systems. It is designed for horizontal mounting with a 30-inch fan, allowing air to exit while blocking backflow when the fan is off. Typical applications include commercial ventilation, industrial exhaust, and HVAC systems requiring one-way horizontal airflow.
What are the specifications of the Dayton 3HHR7 ceiling truss damper?
The Dayton 3HHR7 is a single-panel aluminum damper with dimensions of 35 inches height, 32 inches width, and 1 5/8 inches depth. It is rated for horizontal airflow and horizontal mounting, with a maximum air velocity of 1500 fpm. The unit is designed for use with a 30-inch fan.
Where to buy the Dayton 3HHR7 ceiling truss damper worldwide?
3G Electric supplies the Dayton 3HHR7 ceiling truss damper to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote tailored to your region.
How to install a Dayton ceiling truss damper?
Install the damper in a horizontal ceiling or roof opening, ensuring the airflow arrow points in the exhaust direction. Secure the frame to the truss or support structure using appropriate fasteners. Verify the damper blades open freely and close by gravity when the fan is off. Follow local building codes and the fan manufacturer's guidelines.
Used in
Common applications for DaytonDayton Products
3G Electric supplies Dayton ceiling/roof-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














