8" x 8" Ceiling Diffuser with Damper, 2-Way, White

Details

Part Number: 050721
Manufacturer: Hart & Cooley
Model: A505MS
Series: A505
Description: Ceiling Diffuser with MS Damper, 2-Way, 8 x 8 inch, Bright White
Reference Code: 358757

The Hart & Cooley 050721 A505MS Ceiling Diffuser with integral MS Damper is a precision-engineered air distribution component designed for professional HVAC system installation. Part of the A505 Series, this 8 x 8 inch square diffuser provides a 2-way air discharge pattern for directional airflow control and balanced air distribution. Constructed from durable aluminum and finished with baked enamel Bright White coating, it ensures consistent performance, dimensional accuracy, and corrosion resistance in commercial and institutional environments. The factory-installed MS Damper allows for on-site air volume regulation and fine-tuning during system commissioning.

Technical Specifications

• Manufacturer: Hart & Cooley
• Series: A505
• Model Number: A505MS
• Type: Ceiling Diffuser with MS (Multi-Shutter) Damper
• Face Dimensions: 8 x 8 inches
• Material: Aluminum construction
• Finish: Baked Enamel, Bright White
• Diffusion Pattern: 2-Way Air Discharge
• Integrated Damper: MS (Multi-Shutter) Damper for adjustable air volume control
• Neck Size: Nominal 8-inch connection
• Mounting: Lay-in or surface installation compatible with standard ceiling grids
• Airflow Function: Supply air distribution with adjustable discharge pattern
• Performance: Balanced airflow with reduced pressure drop and low sound characteristics under rated system velocities
• Construction Standards: Complies with ASHRAE and SMACNA air distribution component standards
• Operating Environment: Commercial, institutional, and mechanical HVAC systems
• Design Intent: Provides controlled, two-directional discharge with field-adjustable air volume for commissioning flexibility

Application Notes

Intended for installation by qualified HVAC contractors. The A505MS diffuser integrates a multi-shutter damper to enable precise air balancing without removing the face assembly. Ideal for use in commercial or institutional systems requiring variable airflow regulation. Confirm duct connection dimensions and airflow direction before installation. Diffuser orientation should align with the specified air distribution pattern. All installations must comply with mechanical and ventilation code requirements.

Summary

The Hart & Cooley 050721 A505MS Ceiling Diffuser (A505 Series) with MS Damper is a 2-way aluminum air diffuser designed for professional HVAC applications. Engineered for balanced airflow and adjustable volume control, it provides durable, code-compliant performance and consistent air distribution in commercial and institutional systems.