Linesets / Covers
Inaba Denko America features a full range of Lineset covers for HVAC installation solutions, including pre-insulated copper line sets, straight ducts, mounting brackets, end fittings, and more. Each product is designed for efficient, professional performance in residential and commercial applications.
These components are durable, weather-resistant, and compatible with the Slimduct PD system, offering clean, seamless installations. Ideal for contractors seeking precision, reliability, and long-lasting protection for line sets and HVAC connections.
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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 Lineset Covers
Proper lineset covers protect your HVAC systems from weather, debris, and mechanical damage while keeping installations neat and professional. Contractors benefit from faster installs and reliable long-term performance.
Protection from Elements
Covers shield copper and PVC lines from rain, sun, and temperature swings, preventing corrosion and damage for lasting system performance.
Organized Appearance
Covers create clean, streamlined runs that hide tubing and wiring, enhancing the aesthetic of residential and commercial installations.
Reduced Maintenance
By shielding lines from wear and tear, covers help limit repairs, saving time and money over the system’s life.
Compatibility with Multiple Systems
Designed to integrate with mini splits, heat pumps, and VRF units, covers simplify installation across different HVAC setups.
Easy Installation
Lightweight materials and modular components make covers simple to mount, allowing contractors to work efficiently without specialized tools.
Why Choose Inaba Denko
Inaba Denko combines Japanese engineering with North American support to deliver HVAC accessories that balance durability, precision, and installation convenience. Our products meet the demands of modern contractors.
High-Quality Materials
We use corrosion-resistant metals and UV-stable PVC for long-lasting performance in any environment.
Precision Engineering
Each component is manufactured to exact specifications, providing a seamless fit and proper alignment on every job.
Extensive Product Range
From elbows and brackets to line sets and covers, our catalog supports both residential and commercial HVAC projects.
Reliable Customer Support
Our team guides contractors on product selection, installation tips, and troubleshooting to help you complete your projects efficiently.
About Inaba Denko America
Founded in 1938, our HVAC division launched in 1978 under the name Inaba Denko. We operate independently, serving North American contractors with durable, precision-engineered HVAC accessories. Our products, including HVAC lineset covers, drain hoses, and mounting systems, support reliable, professional installations across residential and commercial projects.
FAQs about HVAC Lineset Cover
What types of HVAC systems are compatible with lineset covers?
Lineset covers work with mini splits, VRF systems, and unitary heat pumps, offering protection and a tidy installation for most modern HVAC setups.
Are the covers weather-resistant?
Yes, our covers use UV-stable PVC and corrosion-resistant metals to withstand sun, rain, and temperature variations, keeping lines safe year-round.
Can I install the covers myself?
Covers are designed for easy installation with modular components. While contractors handle most projects, homeowners can also install smaller residential covers with basic tools.
Do lineset covers reduce maintenance needs?
By shielding pipes from physical damage and environmental exposure, covers help limit repairs and system wear over time, reducing routine maintenance costs.
Are Inaba Denko covers compatible with existing line sets?
Yes, our covers fit pre-insulated copper lines, PVC tubing, and Slimduct PD systems, providing seamless integration with both new and retrofit installations.
How do I choose the right cover size?
Measure your pipe or line set diameter and select a cover that fits snugly without squeezing the lines. Our team can assist if you need guidance.