4.5" Wall Inlet for Line Set Covers – Top or Bottom Application

The CoverGuard 4.5" Wall Inlet is a premium slim-style line set cover fitting designed to provide a clean, professional transition where refrigerant line sets enter or exit a wall. Ideal for both residential and commercial HVAC installations, this inlet supports top or bottom placement, making it one of the most versatile fittings in the CoverGuard Slim Series.

Built from UV-resistant, weather-rated materials, this inlet ensures long-lasting durability and maintains a sleek appearance even in harsh outdoor environments. The adjustable depth allows for a tailored, secure fit, while the shrinkwrapped packaging includes a convenient quick-lock cam screw for reliable installation.

Key Features

✓ Adjustable Depth

Allows for a precise, custom fit for various installation conditions.

✓ Top or Bottom Use

Install at the start or end of a cover run—perfect for line sets entering or exiting a structure.

✓ UV-Resistant Construction

Engineered to withstand long-term sun exposure without warping or discoloration.

✓ Clean, Slim Profile

Provides an upgraded, modern look compared to older bulky cover systems.

✓ Quick & Easy Installation

Shrinkwrapped and includes a quick-lock cam screw for fast, secure assembly.

✓ Slim Series Only

Compatible exclusively with CoverGuard slim-style 4.5" channel lengths.

Incompatibility Notice

This product will NOT fit the Fortress Style line set covers, which share the same design as the MRCOOL LineGuard covers.
Only choose this inlet if you are using CoverGuard Slim Series components.

Why Choose the CoverGuard 4.5" Wall Inlet?

Whether you’re a DIY homeowner or a professional HVAC installer, the 4.5" Wall Inlet provides:

• A clean, polished wall entry point

• Reliable weather protection

• Compatibility with custom CoverGuard installations

• A strong, durable fit without the need for extra kits

At MRCOOL DIY Direct, you can order only the parts you need—no unnecessary bundles or inflated pricing.

Specifications

• Color Options: Gray, White, Brown

• Width: 4.5 inches

• Material: UV-resistant plastic

• Packaging: Shrinkwrapped with 1 quick-lock cam screw

• Compatibility: Fits CoverGuard Slim Series 4.5" channel lengths only