Fortress 4.5" Tee – White (LT122W / 84115) | Lineset Cover Fitting | MRCOOL Compatible

Fortress 4.5" Tee – White (LT122W / 84115) | Lineset Cover Fitting | MRCOOL CompatibleThe Fortress LT122W Tee (84115) is a premium 4. 5" lineset cover fitting designed to create a clean, professional branch connection within your HVAC lineset cover system. This Tee allows refrigerant lines, drain tubing, and control wiring to split or merge in multiple directionsperfect for multi zone mini split systems, heat pumps, and large capacity HVAC installations. Part of the Fortress LD122 Series, this Tee is fully compatible and

The Fortress LT122W Tee (84115) is a premium 4.5" lineset cover fitting designed to create a clean, professional branch connection within your HVAC lineset cover system. This Tee allows refrigerant lines, drain tubing, and control wiring to split or merge in multiple directions—perfect for multi-zone mini-split systems, heat pumps, and large-capacity HVAC installations.

Part of the Fortress LD122 Series, this Tee is fully compatible and interchangeable with MRCOOL® LineGuard, making it an ideal choice for expanding or modifying existing installations. Whether you're working on a residential project or a commercial HVAC layout, the LT122W delivers secure, weather-resistant performance.

Constructed from UV-stabilized, fire-resistant PVC, this fitting withstands harsh outdoor environments and maintains long-term durability. Its smooth white finish can be painted to match any building exterior, ensuring a clean and seamless appearance.

Key Features

• 4.5" LD122 Tee Fitting
  Provides a clean branch connection for multiple lineset paths.

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

• Heavy-Duty PVC Construction
  UV-stabilized and fire-resistant for long-term outdoor durability.

• Snap-Together Installation
  Makes assembly quick and secure, saving install time on the jobsite.

• Pest-Resistant, Tight-Fit Design
  Helps prevent birds, insects, and debris from entering behind the cover.

• Paintable Surface
  Easily matches siding, trim, or any building finish.

• Perfect for Multi-Zone HVAC Systems
  Ideal for installations with branching or split line paths.

Specifications

• Brand: Rectorseal

• Series: Fortress LD122 (4.5")

• Model / MPN: 84115 / LT122W

• Color: White

• Material: UV-stabilized PVC

• Part Type: Tee – Lineset Cover Fitting

• Warranty: 1 Year

Applications

Great for:

• Multi-zone mini-split systems

• Heat pump installations

• Central A/C systems

• Residential & commercial HVAC

• MRCOOL DIY & MRCOOL Pro installations

• Any project requiring a clean 3-way lineset branch