Air Flow Products 84AT20 Stick-on Takeoff Flat Duct 20in

Product Description

The AIR FLOW PRODUCTS 84AT20 is an airtight stick-on takeoff fitting designed for use with flat duct systems. It provides a sealed branch connection point on flat duct runs, allowing HVAC technicians to tap off supply air to individual zones or registers without cutting rigid collars or fabricating custom transitions. The stick-on design simplifies installation by eliminating the need for sheet metal screws or additional fasteners at the attachment point, and the airtight construction helps minimize conditioned air loss at the connection.

This takeoff is suited for residential and light commercial HVAC ductwork where flat duct is the primary distribution method. At 20 inches, it accommodates larger flat duct branch applications and is typically installed by sheet metal workers or HVAC service technicians during new construction duct runs or duct modification projects. It is intended for use in forced-air supply or return configurations where a reliable, low-leakage branch takeoff is required.

Key Features

• Airtight construction reduces conditioned air loss at the branch connection
• Stick-on design speeds installation on flat duct without additional fasteners at the attachment point
• 20-inch size accommodates larger flat duct branch takeoff applications
• Designed for use specifically with flat duct systems
• Supports consistent airflow distribution to supply or return branch runs

Compatibility

Designed as an OEM-style fitting for flat duct systems in residential and light commercial forced-air HVAC installations requiring an airtight branch takeoff connection.

Installation Notes

Installation is performed by licensed HVAC technicians or qualified sheet metal workers. The air handling system should be powered down and the blower confirmed off before making any duct modifications. Verify the flat duct surface is clean and free of debris before applying the stick-on fitting to ensure a proper airtight seal. Local mechanical codes and SMACNA duct construction standards should be consulted for sealing and leakage requirements.

Technical Specifications

• Size: 20 inches
• Duct Type: Flat Duct
• Attachment Method: Stick-On
• Sealing: Airtight

Standard Information

• Brand: AIR FLOW PRODUCTS
• Manufacturer Part Number: 84AT20