10" Ductboard Collar with Damper

The 89-10D DuctBoard Collar with Damper provides a secure, adjustable connection between ductboard plenums and round branch ducts, ensuring efficient airflow control and system balance.

Designed for use in residential and light commercial HVAC systems, the 89-10D DuctBoard Collar features an integrated butterfly-style damper for precise air volume adjustment. The collar’s sturdy galvanized steel construction offers long-lasting durability and resistance to corrosion. Its snap-in design simplifies installation into ductboard plenums while maintaining a tight, reliable seal to improve system efficiency.

• Model number 89-10D identifies this DuctBoard Collar with Damper for 10-inch round duct connections.
• Designed for fiber ductboard or plenum installations in heating, ventilation, and air conditioning systems.
• Includes a manually adjustable damper blade to balance airflow and optimize system performance.
• Constructed of galvanized steel for durability, strength, and corrosion resistance.

Technical Data & Specifications

• Manufacturer: Generic HVAC Component / Industry Standard Fabrication
• Model Number: 89-10D
• Product Type: DuctBoard Collar with Damper
• Nominal Diameter: 10 inches (254 mm)
• Connection Type: Round duct connection
• Mounting Type: Snap-in flange for ductboard or plenum wall installation
• Damper Type: Manual butterfly-style blade with center pivot and locking adjustment
• Material: Galvanized steel
• Finish: Mill galvanized for corrosion resistance
• Seal Type: Press-fit with adhesive or mastic (optional for airtight applications)
• Operating Temperature: Suitable for standard HVAC temperature ranges (-20°F to 250°F)
• Pressure Rating: Rated for typical low- to medium-pressure HVAC duct systems
• Installation: Cut circular opening in ductboard, insert collar, bend tabs, and secure as required
• Maintenance: Periodic damper adjustment as needed for system balancing
• Compliance: Meets SMACNA and ASHRAE standards for duct fittings and airflow performance
• Warranty: Manufacturer’s Limited Warranty against defects in material and workmanship

Features & Benefits

• Durable galvanized steel construction ensures long service life and corrosion protection.
• 10-inch round connection fits standard flexible or rigid ductwork.
• Integrated manual damper allows for precise air balancing and flow control.
• Snap-in design provides quick, secure installation into ductboard plenums.
• Compatible with a wide range of HVAC systems and airflow applications.
• Reduces air leakage and promotes balanced airflow throughout the duct system.
• Ideal for residential, light commercial, and retrofit HVAC installations.
• Complies with industry performance and fabrication standards for reliability and efficiency.