RectorSeal Fortress 4.5" Coupler – Gray LD122 Lineset Cover
The RectorSeal Fortress® 4.5" Coupler (LD122 – Gray) joins two 4.5" duct sections together to create extended lineset cover runs for mini split and HVAC installations. It provides a secure, clean connection point for long exterior routing applications.
Designed for use with LD122 (4.5") Fortress duct systems, this coupler is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It helps protect and conceal refrigerant lines, drain hoses, and communication wiring while maintaining a professional finished appearance.
Constructed from heavy-duty, UV-stabilized and fire-resistant PVC, Fortress components are tested to over 2,000 hours of UV resistance and operate in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring extended straight duct runs.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Joins two duct sections for extended runs
- 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: 84350
- Sold Individually
RectorSeal Fortress 4.5" Coupler – Gray LD122 Lineset Cover
The RectorSeal Fortress® 4.5" Coupler (LD122 – Gray) joins two 4.5" duct sections together to create extended lineset cover runs for mini split and HVAC installations. It provides a secure, clean connection point for long exterior routing applications.
Designed for use with LD122 (4.5") Fortress duct systems, this coupler is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It helps protect and conceal refrigerant lines, drain hoses, and communication wiring while maintaining a professional finished appearance.
Constructed from heavy-duty, UV-stabilized and fire-resistant PVC, Fortress components are tested to over 2,000 hours of UV resistance and operate in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring extended straight duct runs.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Joins two duct sections for extended runs
- 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: 84350
- Sold Individually
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The RectorSeal Fortress® 4.5" Coupler (LD122 – Gray) joins two 4.5" duct sections together to create extended lineset cover runs for mini split and HVAC installations. It provides a secure, clean connection point for long exterior routing applications.
Designed for use with LD122 (4.5") Fortress duct systems, this coupler is fully compatible with MRCOOL Line Guard kits and other 4.5" lineset cover components. It helps protect and conceal refrigerant lines, drain hoses, and communication wiring while maintaining a professional finished appearance.
Constructed from heavy-duty, UV-stabilized and fire-resistant PVC, Fortress components are tested to over 2,000 hours of UV resistance and operate in temperatures ranging from -4°F to 140°F. The gray finish complements residential and commercial exteriors and can be painted to match surrounding surfaces.
Ideal for MRCOOL DIY mini split systems, ductless heat pumps, and HVAC installations requiring extended straight duct runs.
Key Features
- Designed for LD122 (4.5") Fortress duct systems
- Joins two duct sections for extended runs
- 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: 84350
- Sold Individually
