About the 48" x 20" Single Deflection Adjustable Grille, Parallel to Long Dimension, Opposed Blade Damper, White - Shoemaker 901-0-48X20
Shop for the 48" x 20" Single Deflection Adjustable Grille, Parallel to Long Dimension, Opposed Blade Damper in white (Shoemaker 901-0-48X20) here with the pros at PlumbersStock. The airfoil aluminum blades are adjustable and run parallel to the longest dimension. It provides 2-way airflow on one plane. It runs quietly because of nylon bushings that prevent metal from rattling. The opposed blade damper is adjustable with the use of a screwdriver. Shoemaker is an industry leader because of their quality HVAC solutions.
The Shoemaker 901-0 Series vent cover comes with a recessed screwdriver-operated opposed blade damper. It is used to regulate the airflow through linked sections of adjacent blades that rotate in the opposite direction. Compared to other damper types, an opposed blade damper maintains a more even airflow. It also provides better control over the airflow in all operating positions. A recessed screwdriver-operated damper prevents any unnecessary adjustments of the damper setting. Be sure to measure the hole opening size instead of measuring the face plate of your old grille. This grille is designed to fit over a 48" x 20" existing hole or duct. Refer to the Specification Sheet for more information.
