RectorSeal Fortress 4.5" Tee – Gray LD122 Lineset Cover

RectorSeal Fortress 4.5" Tee – Gray LD122 Lineset CoverThe RectorSeal Fortress 4. 5" Tee (LD122 Gray) allows you to split your lineset cover duct into two directions, providing flexibility for complex mini split and HVAC exterior routing layouts. Designed for use with LD122 (4. 5") Fortress components, this tee fitting is fully compatible with MRCOOL Line Guard kits and other 4. 5" lineset cover systems. It protects and conceals refrigerant lines, drain hoses, and communication wiring while maintaining a

The RectorSeal Fortress® 4.5" Tee (LD122 – Gray) allows you to split your lineset cover duct into two directions, providing flexibility for complex mini split and HVAC exterior routing layouts.

Designed for use with LD122 (4.5") Fortress components, this tee fitting is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover systems. It protects and conceals refrigerant lines, drain hoses, and communication wiring while maintaining a clean, professional exterior appearance.

Constructed from heavy-duty, UV-stabilized and fire-resistant PVC, Fortress fittings are tested for over 2,000 hours of UV resistance and built to perform in temperatures from -4°F to 140°F. The gray finish complements residential and commercial buildings and can be painted to match exterior finishes.

Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring multi-directional exterior line routing.

Key Features

• Designed for LD122 (4.5") Fortress duct systems
• Splits duct into two directions
• Compatible with MRCOOL Line Guard kits
• Protects refrigerant lines, drain hose, and wiring
• UV-stabilized, fire-resistant PVC construction
• Tested to over 2,000 hours of UV exposure
• Temperature range: -4°F to 140°F
• Paintable finish (brush, spray, or roller)
• Suitable for residential and commercial installations
• 3-Year Manufacturer Warranty
• SKU: 84355
• Sold Individually