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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SC 90° Vertical Ell
Connects linesets at 90° from vertical to horizontal on exterior walls. Provides durable, weather-resistant protection.
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SCM 90 Mini Vertical Ell
Routes linesets vertically over exterior corners. Durable PVC construction protects against weather, pests, and damage.
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SCF 45 Vertical Ell
Guides linesets from 45° vertical to 45° horizontal on exterior walls. Made of high-grade PVC for durable, weather-resistant protection.
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SN 90° Twist Elbow
Transitions linesets from vertical to horizontal for size 77 on exterior walls. Made of high-grade PVC for durable, weather-resistant protection.
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ST Duct Tee
Transitions linesets in two directions with built-in size flexibility with multiple reducers attached. Made of high-grade PVC for durable, weather-resistant protection and a clean finish.
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Slimduct SJ Pipe Coupler
Connects linesets between ducts on exterior walls. Made of high-grade PVC for durable, weather-resistant protection and a clean finish..
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SDR Reducer Fitting
The Slimduct SDR Reducer transitions linesets of different sizes over exterior walls. It ensures a smooth fit between ducts while providing durable protection and a clean, professional finish for HVAC installations.
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SIF 2″ Fixed Offset
Routes linesets over 2″ wall offsets. Made of high-grade PVC for durable, weather-resistant protection and a clean finish.
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SE End Fitting
Finishes and protects the end of 77-size linesets. Made of high-grade PVC for durable, weather-resistant protection.
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SJA Rear Entry Coupler
Creates a clean interior-to-exterior lineset transition. Made of high-grade PVC for durable protection.
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SEN End Fitting
Fits over linesets exiting the condenser to create a clean finish. Designed for 100 and 140 sizes, it provides durable protection and a neat appearance.
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SWC Wall Flange
Improves the seal and appearance between the wall and duct. Made of high-grade PVC for durable, weather-resistant protection.
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.











