Carrier NPDUCFLG002A00 Square to Round Duct Transition

Product Description

The CARRIER NPDUCFLG002A00 is a square-to-round horizontal duct transition accessory designed for use in ducted HVAC systems. Sold as one set of two pieces, this transition fitting connects rectangular duct sections to round duct runs in horizontal configurations. It is sized for 24-48 SPP applications and ships with overall dimensions of 15 inches. HVAC technicians and sheet metal installers use this component during new duct installations or system modifications where a geometry change between square or rectangular and round duct is required.

This transition accessory is intended for horizontal duct installations in residential and light commercial HVAC systems. It is a factory-matched Carrier accessory, making it appropriate for installations where OEM-specified components are required by job specs or equipment warranty terms. The two-piece set design accommodates field assembly during duct layout and is suited for use with Carrier ducted systems in the 24-48 size range.

Key Features

• Square-to-round geometry change for horizontal duct runs
• Sold as a complete set of 2 pieces for a single transition
• Sized for 24-48 SPP duct applications
• Overall dimension of 15 inches supports standard duct layout planning
• OEM Carrier accessory for factory-matched installations

Compatibility

Designed as an OEM Carrier accessory for ducted HVAC systems in the 24-48 SPP size range requiring a horizontal square-to-round duct transition.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified sheet metal installer. Shut down and lock out the air handling system before beginning any duct modification work. Secure all connections per local mechanical code requirements and verify that the transition seating is properly sealed to prevent air leakage. Follow applicable IMC and SMACNA standards for duct joint sealing and support spacing.

Technical Specifications

• Transition Type: Square to Round
• Orientation: Horizontal
• Size Range: 24-48 SPP
• Set Contents: 2 pieces per set
• Overall Dimension: 15 inches

Standard Information

• Brand: CARRIER
• Manufacturer Part Number: NPDUCFLG002A00