Fortress 4.5" 90° Inside Vertical Elbow – LCI122W (White) | Lineset Cover Fitting | MRCOOL Compatible

Fortress 4.5" 90° Inside Vertical Elbow – LCI122W (White) | Lineset Cover Fitting | MRCOOL CompatibleThe Fortress 4. 5" 90 Inside Vertical Elbow LCI122W (84102) is designed to create a clean, professional inside corner transition for vertically mounted HVAC lineset covers. Ideal for routing refrigerant lines, drain hoses, and control wiring along the interior angle of two exterior walls, this fitting helps maintain a smooth, low profile installation while protecting essential HVAC components. Part of the Fortress LD122 (4. 5") Series, this elbow is

The Fortress 4.5" 90° Inside Vertical Elbow – LCI122W (84102) is designed to create a clean, professional inside-corner transition for vertically mounted HVAC lineset covers. Ideal for routing refrigerant lines, drain hoses, and control wiring along the interior angle of two exterior walls, this fitting helps maintain a smooth, low-profile installation while protecting essential HVAC components.

Part of the Fortress LD122 (4.5") Series, this elbow is fully compatible and interchangeable with MRCOOL® LineGuard, making it the perfect addition for new installations, expansions, or repairs on mini-split and heat pump systems.

Constructed from UV-stabilized, weather-resistant PVC, the LCI122W withstands harsh outdoor environments and maintains long-term durability. Its snap-together design ensures fast installation and secure fitment, while the paintable white finish allows for full customization to match siding, trim, or building surfaces.

Key Features

• 90° Inside Vertical Elbow
  Creates a smooth inside-corner transition for vertically routed lineset covers.

• 4.5" LD122 Compatibility
  Sized for larger HVAC line sets or multi-line installations.

• MRCOOL LineGuard Compatible
  Fully interchangeable with MRCOOL®, Daikin, GREE, and most major lineset cover systems.

• Durable, UV-Stabilized PVC
  Built to withstand harsh outdoor conditions and long-term sun exposure.

• Snap-Together Installation
  Quick, secure assembly saves time for both contractors and DIY installers.

• Low-Profile, Pest-Resistant Design
  Fits tightly against surfaces to help prevent insects and birds from nesting.

• Paintable Finish
  Easily color-match to any home or commercial building.

• Made in the USA
  Engineered for durability and built for U.S. climate conditions.

Specifications

• Brand: Fortress / Rectorseal

• Model / MPN: LCI122W (SKU 84102)

• Series: LD122 – 4.5"

• Part Type: 90° Inside Vertical Elbow

• Color: White

• Material: UV-Stabilized PVC

• Temperature Range: -4°F to 140°F

• Warranty: 12-Month Manufacturer Guarantee

Applications

Perfect for:

• Mini-split systems

• Heat pumps

• Central A/C linesets

• MRCOOL DIY & Pro installations

• Inside-corner vertical routing

• Residential or commercial HVAC