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.

Filters

  • SF Flexible Ell without End Cuffs

    Provides a smooth directional transition without end fittings for a cleaner look. Made of high-grade PVC for durable, weather-resistant protection..

  • SP Soffit Inlet

    Ideal for above-ceiling HVAC installations with thicker insulation. Provides a clean, wide opening for linesets and durable protection with high-grade PVC.

  • VD Slimduct Cutter

    Stainless steel blade delivers clean, debris-free cuts. One-touch open/close design for fast, easy use on Slimduct lineset covers..

  • SFS Saddle for Flexible Ell

    Supports flexible ells against exterior walls for secure, clean lineset installation.

  • SFJ Flexible Adapter

    Connects the SF Flexible Ell without end cuffs to SD Duct for a clean, finished look. Made of high-grade PVC for durable, weather-resistant lineset protection.

  • SL Strap Kit for Slimduct

    Secures lineset in place. Made of high-grade PVC for durable protection. Avoid over-tightening to maintain insulation performance.

  • SF Flexible Ell

    The Slimduct SF Flexible Ell replaces long-radius 90° elbows, connecting directly to SD straight duct for a clean, continuous look.

  • MD Indoor Lineset Cover

    Sleek, screw-free PVC cover system for concealing indoor linesets. Easy to install with 14 fittings for flexible configurations. Blends cleanly with interior walls.

  • MW Wall Inlet

    Protects and finishes the top entry point of indoor linesets. Screw-free PVC design blends cleanly with interior walls.

  • MWM Indoor Wall Inlet for A/C Cap

    Protects indoor lineset while providing a clean, finished look. Screw-free PVC design integrates seamlessly with indoor walls.

  • MWS Indoor Sliding Wall Inlet

    Features an extendable cover to protect linesets indoors and provide a clean, finished look. Screw-free PVC design blends with interior walls.

  • MK 90 Flat Ell

    Transitions indoor linesets from horizontal to vertical with a clean, screw-free finish. Durable PVC design blends seamlessly with interior walls.

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.

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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.

Yes, our covers use UV-stable PVC and corrosion-resistant metals to withstand sun, rain, and temperature variations, keeping lines safe year-round.

Covers are designed for easy installation with modular components. While contractors handle most projects, homeowners can also install smaller residential covers with basic tools.

By shielding pipes from physical damage and environmental exposure, covers help limit repairs and system wear over time, reducing routine maintenance costs.

Yes, our covers fit pre-insulated copper lines, PVC tubing, and Slimduct PD systems, providing seamless integration with both new and retrofit installations.

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.