Lukjan PS4033036U 33 in 30 Ga Double Joist Panning

Product Description

The LUKJAN PS4033036U is a 33-inch double joist panning section used in residential and light commercial HVAC duct systems. Formed from 30-gauge sheet metal, this panning piece fits between floor joists to create a return-air plenum or supply channel beneath a subfloor. It is a standard component in low-profile duct configurations where full round or rectangular ductwork cannot be installed. HVAC installers and sheet metal contractors use this type of joist panning to route conditioned air efficiently through floor framing cavities.

This panning section is suited for residential forced-air systems where joist bays serve as air passages. The double-joist profile accommodates standard framing layouts, making it a common choice during new construction and retrofit installations. It connects to trunk lines, boots, and registers within conventional forced-air distribution systems.

Key Features

• 30-gauge steel construction for structural rigidity in floor joist applications
• 33-inch length fits standard framing spans with minimal cutting
• Double joist profile for wider bay coverage in residential duct systems
• Compatible with standard HVAC panning fittings, end caps, and boots
• Designed for low-profile duct routing between floor joists

Compatibility

Designed as an OEM-style replacement and new-construction component for residential and light commercial forced-air HVAC systems using joist-bay panning configurations.

Installation Notes

Installation is typically performed by licensed HVAC technicians or sheet metal contractors following local mechanical codes and ACCA Manual D duct design guidelines. Shut down the air handling system before connecting or modifying any duct sections. Seal all seams with approved duct mastic or metal-backed tape to meet energy code requirements. Avoid compressing or deforming the panning profile during installation, as this will restrict airflow through the joist bay.

Technical Specifications

• Length: 33 inches
• Gauge: 30 GA
• Type: Double Joist Panning
• Package Dimensions (L x W x H): 20.875 inches

Standard Information

• Brand: LUKJAN
• Manufacturer Part Number: PS4033036U