Seal-tite 1727-14 Ductboard Collar 14 in Crimped

Product Description

The SEAL-TITE 1727-14 is a ductboard collar designed for use with 1 inch and 1.5 inch ductboard systems. The collar measures 14 inches in diameter and features a 6 inch crimped long end, allowing it to seat securely into ductboard panels during air distribution installations. This fitting is installed by HVAC technicians when building or modifying duct systems that use rigid fiberglass ductboard, providing a clean, secure transition point between the board and round duct connections. It is a standard component in low-velocity residential and light commercial HVAC duct fabrication.

This collar is suited for residential and light commercial HVAC duct systems where ductboard panels serve as the primary air distribution medium. The crimped long end simplifies insertion into 1 inch or 1.5 inch ductboard, making it appropriate for new construction and retrofit applications. HVAC fabricators and sheet metal installers typically use this fitting when assembling ductboard trunk lines, branch takeoffs, and supply plenum sections that require a round collar connection point.

Key Features

• 14 inch collar diameter for large-diameter round duct connections
• 6 inch crimped long end designed for insertion into ductboard panels
• Compatible with both 1 inch and 1.5 inch ductboard thicknesses
• Crimped end aids secure seating and reduces air leakage at the connection point
• Designed for use in low-velocity residential and light commercial duct fabrication

Compatibility

Designed for use with 1 inch and 1.5 inch rigid fiberglass ductboard systems as an OEM-style ductboard collar fitting.

Installation Notes

Installation is performed by licensed HVAC technicians or trained sheet metal fabricators. Power down the air handling unit and ensure the system is not under pressure before fitting collars into ductboard. The crimped end should be inserted fully into the ductboard panel and sealed with approved foil tape or mastic per SMACNA ductboard guidelines. Do not force-fit the collar into undersized or damaged board openings.

Technical Specifications

• Collar Diameter: 14 inches
• Crimped End Length: 6 inches
• Compatible Ductboard Thickness: 1 inch and 1.5 inches

Standard Information

• Brand: SEAL-TITE
• Manufacturer Part Number: 1727-14