Fortress 4.5" Wall Flange – LWF122W (White) | Lineset Cover Trim Plate | MRCOOL Compatible

Fortress 4.5" Wall Flange – LWF122W (White) | Lineset Cover Trim Plate | MRCOOL CompatibleThe Fortress 4. 5" Wall Flange LWF122W provides a clean, finished look where HVAC linesets penetrate a wall surface. This trim plate covers the transition between the wall and the lineset cover ducting, helping to conceal gaps, rough openings, and drill through holes for a neat, professional appearance. Designed for the Fortress LD122 (4. 5") Series, this wall flange is fully compatible and interchangeable with MRCOOL LineGuard and most major lineset

The Fortress 4.5" Wall Flange – LWF122W provides a clean, finished look where HVAC linesets penetrate a wall surface. This trim plate covers the transition between the wall and the lineset cover ducting, helping to conceal gaps, rough openings, and drill-through holes for a neat, professional appearance.

Designed for the Fortress LD122 (4.5") Series, this wall flange is fully compatible and interchangeable with MRCOOL® LineGuard and most major lineset cover systems. It can be used indoors or outdoors, making it ideal for mini-split installations, heat pumps, and central A/C systems.

Manufactured from UV-stabilized, weather-resistant PVC, the LWF122W is built for long-term durability in harsh outdoor environments. Its paintable white finish allows complete customization to match siding, trim, stucco, or interior walls.

Whether you’re a contractor or a DIY installer, the wall flange ensures your system has a polished, secure termination point that protects against pests, debris, and moisture intrusion.

Key Features

• 4.5" LD122 Wall Flange / Trim Plate
  Provides a clean wall transition for HVAC lineset ducting.

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

• Conceals Rough Openings
  Covers gaps where refrigerant lines, wiring, or drain tubing enter the wall.

• UV-Stabilized, Weather-Resistant PVC
  Built for long-term outdoor use in harsh climates.

• Paintable Surface
  Easily color-match to any building exterior or interior finish.

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

• Easy Installation
  Snaps securely into place and fits flush for a professional finish.

Specifications

• Brand: Fortress / Rectorseal

• Model / MPN: LWF122W (SKU 84117)

• Series: LD122 – 4.5"

• Part Type: Wall Flange / Trim Plate

• Color: White

• Material: UV-Stabilized PVC

• Warranty: 12-Month Manufacturer Guarantee

Applications

Ideal for:

• Mini-split systems

• Heat pumps

• Central A/C units

• MRCOOL DIY & Pro installs

• Indoor or outdoor wall penetrations

• Cleaning up rough drilling or large openings