Item Description

• Manufacturer: Ductmate Industries
• Model: DRI849GA / GRDRI849GA
• Door Opening Size: 8" x 4"
• Compatible Duct Size: 7"–9" round duct
• Construction: Galvanized steel
• Type: Insulated sandwich-style round duct access door
• Connection Style: Frame-free clamp/sandwich mounting
• Application: HVAC inspection, maintenance, and cleaning access

Key Features

• Insulated design helps reduce condensation and thermal loss
• Leak-resistant sandwich construction
• Smooth interior finish minimizes airflow disruption
• No separate frame required for installation
• Self-adhesive template included for quick cutout alignment
• Tool-free opening and closing design
• Tested to:
  • 20" positive static pressure
  • 10" negative static pressure

Typical Applications

• Spiral round HVAC duct systems
• Commercial air handling systems
• Residential duct inspection access
• Cleaning and maintenance access points
• Insulated supply and return ductwork

Installation Notes

The access door mounts directly onto the duct wall using a sandwich clamp arrangement, eliminating the need for welding or a separate frame. Insulated versions are commonly recommended for negative-pressure duct systems to help prevent sweating and leakage. 

Materials Included

Typical kits include:

• Interior and exterior access panels
• Gasket material
• Mounting hardware
• Self-adhesive cutting template

Alternate Part References

• DRI849GA
• GRDRI849GA
• DDRI849GA