Commercial Lineset Covers
Our commercial lineset covers protect HVAC line sets while keeping your installations organized and professional. Built from reliable materials, they hold up against changing weather and heavy use common in large-scale commercial projects.
This range of fittings and ducts matches the Slimduct PD series, offering flexible configurations for different layouts. Each piece supports secure routing, helping technicians achieve both refined appearance and dependable HVAC performance.
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RXNW Walkway Cross Coupler
Connects four ducts for multi-directional lineset routing with durable, foot-traffic-rated, corrosion-resistant protection. Ideal for clean, long-lasting VRF/VRV rooftop installations.
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RSJ Coupler
Joins RD ducts or fittings for continuous, durable lineset protection. Corrosion-resistant finish ensures a clean, long-lasting VRF/VRV installation.
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RFJ Free Coupler A
Connects cut RD ducts with durable, corrosion-resistant protection. Ensures a clean, professional finish for VRF/VRV systems.
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RFJ Free Coupler S/H
The Slimduct RFJSH Coupler (S/H Type) connects side-cut RD ducts, providing secure, durable protection for commercial VRF/VRV linesets. Its corrosion-resistant zinc-aluminum-magnesium coating ensures a polished, long-lasting finish in harsh outdoor conditions.
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RR Reducer
The Slimduct RR Reducer connects different sizes of RD ducts, ensuring durable lineset protection with a clean, professional finish. Its zinc-aluminum-magnesium coating resists corrosion for lasting outdoor performance..
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RWP Wall Flange
The Slimduct RWP Wall Flange secures RD ducts at wall junctions, preventing movement and enhancing stability. Its corrosion-resistant coating ensures long-lasting protection and a clean, professional finish in outdoor environments.
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RSB Wall Sleeve
The Slimduct RSB Wall Sleeve pairs with the RWP Wall Flange to seal wall penetrations and protect commercial linesets. Its corrosion-resistant coating ensures long-lasting durability and a clean, professional finish.
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RSP Cut Wall Plate
The Slimduct RSP Wall Plate features a built-in recess for sealant, making caulking easier and more effective. It seals and protects linesets at wall penetrations, with a corrosion-resistant coating for lasting durability.
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RSPR Upside Down Cutoff Wall Plate
The Slimduct RSPR Cutoff Wall Plate features a built-in sealant recess for easy caulking and allows linesets to enter the wall from above. It provides a reliable seal and durable protection with a corrosion-resistant finish.
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RSPC Protect Cover
The Slimduct PSPC Protective Cover shields the sides of the cutoff wall plate, enhancing durability and appearance. Its corrosion-resistant coating ensures lasting performance in outdoor environments.
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RZB Riser
The Slimduct RZB Riser and RZM Bracket elevate RD ducts over wall obstacles, ensuring a clean, professional finish. Their corrosion-resistant coating offers long-lasting durability in outdoor conditions.
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RZM Bracket
The Slimduct RZB Riser and RZM Bracket elevate RD ducts over wall obstacles, ensuring smooth routing and a clean, professional finish in commercial lineset installations.
Benefits of Using Commercial Lineset Covers
When you’re working on large-scale commercial HVAC projects, the right lineset covers make a real difference. They protect your work, simplify the process, and leave every installation looking clean and polished.
Long-Lasting Weather Protection
These covers are built to handle whatever the weather throws at them. From rain and heat to UV exposure, they hold up season after season without cracking, fading, or breaking down.
A Cleaner, More Professional Finish
Nobody wants exposed lines running along a building’s exterior. These covers give every installation a tidy, finished look that clients and building managers are always happy to see.
Faster, More Flexible Installation
The modular design means you spend less time figuring things out on-site. Pieces fit together intuitively, so your crew can move through installations efficiently without sacrificing quality.
Reduced Risk of Line Damage
Unprotected lines are vulnerable to impact, pests, and environmental wear. Wrapping them in a durable cover adds a layer of defense that keeps costly repairs and service calls to a minimum.
Compatible Across a Wide Range of Layouts
Whether you’re working on a straightforward run or a complex multi-unit setup, these commercial lineset covers adapt easily. That means fewer workarounds and a better fit every time.
Why Choose Inaba Denko
There’s no shortage of options, but Inaba Denko stands in a category of its own. From the way products are engineered to the support behind them, every detail reflects a genuine commitment to quality and the people who rely on it.
Decades of Focused Engineering
Inaba Denko has spent decades refining lineset cover systems. That specialized focus means you’re getting products built by people who truly understand what the job demands.
Trusted by Industry Professionals Worldwide
From small contractors to large commercial firms, professionals across the globe trust Inaba Denko. That kind of track record comes from consistent, reliable performance in the field.
Precision-Fit Components Every Time
Every fitting, duct, and accessory is designed to work seamlessly. You won’t run into mismatched parts or frustrating gaps, only components that come together exactly as they should.
Built to Meet Demanding Commercial Standards
Commercial projects come with higher stakes and tighter expectations. Our products are built specifically to meet those demands, making your job stress-free and efficient.
About Inaba Denko America
After establishing its HVAC division in 1978 as Inaba Denko in Japan, the brand became global. Inaba Denko America continues to bring the trusted craftsmanship of a globally respected brand right to the North American market. With a long history of innovation in HVAC solutions, we have built a reputation for producing products that professionals genuinely rely on.
Our American team is dedicated to making those same high-quality lineset cover systems accessible, with the local support and service that contractors and distributors deserve. Whether you’re a seasoned installer or exploring lineset covers for the first time, we are here to help you get the job done right.
FAQs about Commercial Lineset Covers
What are commercial lineset covers used for?
Commercial lineset covers are used to protect and conceal the refrigerant lines, electrical wiring, and drainage tubing that run between HVAC units. They keep everything organized, shielded from the elements, and looking clean on the exterior of a building.
Are these covers compatible with different HVAC brands and systems?
Yes, this range is designed to work with various commercial HVAC setups. The fittings and ducts are modeled to match the Slimduct PD series, giving you flexible configuration options that work across different layouts and system types.
How well do they hold up in outdoor environments?
These covers are built specifically for the demands of commercial use, so outdoor conditions aren’t a problem. They resist UV exposure, temperature swings, moisture, and general wear, meaning you can count on them to perform long after installation.
Can they be used on complex or large-scale installations?
Modular design is one of our biggest strengths for commercial projects. You get a full range of fittings, including elbows, tees, couplings, and more, so you can route lines around corners, across long runs, or through multi-unit configurations without any issues.
Are these covers easy to install?
They’re designed with the installer in mind. The components fit together straightforwardly, and the system doesn’t require any specialized tools or complicated steps. Most experienced technicians find the process quick and intuitive once they get familiar with the system.
What sizes are available for commercial projects?
The line comes in a range of duct widths to accommodate different line set sizes and project requirements. If you’re unsure which size fits your specific application, it’s always a good idea to check the product specs or reach out for support.