Overview
The Dayton 2C526 automatic wall shutter is a passive ventilation damper designed for HVAC and exhaust applications. This 10″ shutter combines automatic opening louvers with backdraft damper functionality to prevent unwanted reverse airflow while maintaining efficient ventilation during system operation. The G-90 galvanized steel frame and aluminum louver construction ensure durability in residential and light commercial installations.
Key Features
- Automatic louver opening when HVAC fan activates
- Integrated backdraft damper prevents reverse airflow
- G-90 galvanized steel frame with tie rods for structural rigidity
- 26-gauge mill-finish aluminum louvers with felted leading edges for quiet, sealed closure
- Prepunched mounting holes for fast installation
- Vertical mounting orientation with wall installation
Technical Specifications
- Fan Diameter: 10 inches
- Overall Shutter Size: 13″ × 13″
- Opening Required: 10-1/2″ × 10-1/2″
- Free Area: 0.645 sq. ft.
- Frame Material: G-90 Galvanized Steel
- Louver Material: 26-gauge mill-finish aluminum
- Frame Depth: 2-1/2 inches
- Open Depth: 5-3/4 inches
- Flange Width: 1-1/2 inches
- Max Air Velocity: 2500 fpm
- Mounting Position: Vertical
- Mounting Location: Wall
- Mounting Holes: Prepunched
Typical Applications
- Residential bathroom and kitchen exhaust systems
- Commercial HVAC ventilation ducts
- Range hood exhaust vents
- Dryer vent dampers
- Agricultural and light industrial ventilation
Compatibility & Replacements
Compatible With
- Dayton brand HVAC systems and exhaust fans
- 10-inch diameter duct systems
- Residential and commercial ventilation applications
- Wall-mounted exhaust configurations
Replaces / Drop-In Replacement For
- Earlier Dayton 2C526 automatic wall shutter models
- Compatible with Dayton wall shutter sizes 10″ × 10″
- Verify duct opening dimensions (10-1/2″ × 10-1/2″ required) before ordering as a replacement
Works With
- Standard 10-inch flexible and rigid ductwork
- Dayton and similar brand HVAC exhaust fans
- Manual and motorized shutter control systems
- No electrical connection required for passive operation
