Motor Pack for Model ACL-F 54" and 60", 24-240 Volt - MTR-ACL-NFBUP-S

Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications. MADE IN THE USA

TPI 30" Shutter Mounted Direct Drive Exhaust Fan CE 30-DS 1/4 HP 3950 CFM Guarded exhaust fans feature 120V, single-phase totally permanently lubricated motors with provisions for direct wiring, UL listed. These shutter mounted fans install on inside wall and eliminate the need for external framing and shutter. Quiet operation makes it ideal for commercial environments. Aluminum blades are enclosed in a sturdy steel spiral wire guard. Note: Rough-in hole size is 1/2 inch (+/- 5/16) larger than fan blade size. 1 year limited warranty.

ACP, ACL-F-60x24, Combination Louver / Damper with Flange 60"W x 24"H Combination Louver / Damper - The Model ACL offers superior resistance to rain and weather while also offering you the ability to completely close the opening off if needed. The channel frame is 4" deep with a 1-1/2" flange and drainable 45 degree fixed blades in the front with adjustable blades with seals for tight shutoff in the back all within one frame. The adjustable rear blades are operated with a thumb screw and come standard with birdscreen on the back. MADE IN THE USA

The Model 502 is an economy rear flanged vertical mount automatic exhaust shutter. It is designed to allow horizontal airflow in one direction and to prevent reverse airflow while providing protection from environmental elements when the airflow stops. The blades open with airflow and close by gravity when the fan shuts down. Ideal for direct-drive or belt-driven exhaust fans. Do not use with vane axial or tube axial fans. MADE IN THE USA

The Model 556 is a counter balanced rear flanged vertical mount automatic exhaust shutter. It is designed to allow horizontal airflow in one direction and to prevent reverse airflow while providing protection from environmental elements when the airflow stops. The blades open with airflow and minimize the wear load on the fan motor and close by gravity when the fan shuts down. counter balanced blades allow the shutter to be mounted vertically to 45 degrees and has flanged ends for added weather protection. Ideal for direct-drive or belt-driven exhaust fans. Do not use with vane axial or ...