Protect your HVAC system with confidence using the MRCOOL LineGuard 4.5 Inch Line Set Cover Kit. Built for ductless mini split and air conditioning units, this durable 12-foot line set cover shields refrigerant and drain lines from harsh weather, sunlight, and environmental damage. It helps maintain system efficiency, extend equipment life, and keep your installation looking clean and professional for years to come.
Each LineGuard kit includes three 4-foot straight sections, one bend, a wall hole cover, and connecting pieces, providing everything needed for a seamless, airtight setup. The corrosion-resistant and UV-protected material stands up to years of exposure to rain, snow, and sun without cracking, fading, or weakening under extreme conditions.
The lightweight, easy-to-assemble design makes installation fast and simple, perfect for homeowners completing DIY projects or HVAC professionals seeking a clean, finished appearance. Once installed, the LineGuard system prevents corrosion, moisture intrusion, and insulation damage that can reduce system efficiency and increase maintenance costs.
Compatible with MRCOOL mini splits and most ductless air conditioning systems, this versatile line set cover provides the ideal blend of durability, performance, and appearance. With MRCOOL LineGuard, your home comfort system stays efficient, protected, and visually appealing, no matter the season or climate.
- 4.5-inch line set cover protects mini split air conditioner and heat pump line sets, keeping your system efficient and organized
- 12-foot line set cover kit includes (3) 4-foot straight sections, a bend, wall cover, and all connection pieces
- UV-protected materials that resist corrosion defend refrigerant lines from harsh sunlight, rain, snow, and other outdoor elements
- Prevents refrigerant loss, moisture buildup, and corrosion that can lead to costly damage or reduced system performance
- Lightweight and easy to handle without professional tools, making it perfect for DIY homeowners
- Sleek, modern design conceals line sets for a clean, professional look that complements your home’s exterior
- Compatible with MRCOOL mini split systems and other similar ductless air conditioning units, offering universal protection
- Color: White
- Dimensions (L x W x H): 48 x 4.5 x 4.5 inches
- Weight: 10 pounds
- Manufacturer warranty: 1-year warranty
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What are the dimensions of the set?
The set measures 48 x 4.5 x 4.5 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
Does the set come with a warranty?
Yes. The set is backed by 1-year manufacturer warranty. Coverage details and claim procedures are provided by the manufacturer; retain your order receipt as proof of purchase if you ever need to file a claim.
Is the set designed for outdoor use?
Yes. The set is built for outdoor environments such as patios, decks, yards, and gardens. Position it where it will see regular use but remains accessible for the items it stores or supports.
What color is the set?
This set comes in white. The color provides a neutral finish that coordinates with a wide range of décor styles. It is intended for outdoor placement.
Who makes the set?
The set is made by MRCOOL LineGuard. MRCOOL LineGuard produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the set weigh?
The set weighs approximately 10 pounds. Use this figure when planning transport, handling, or placement of the item.
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