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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MD Cutter
The Slimduct Lineset Cover Cutter features a durable stainless steel blade with corrosion resistance for clean, precise cuts. Its one-touch open/close design offers easy operation, ensuring a smooth, professional finish with no rough edges—perfect for cutting Slimduct MD covers.
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PD Straight Duct
Durable cover for commercial rooftop linesets. Clean finish for HVAC or plumbing use. Compatible with Slimduct RD for seamless transitions.
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PDB-N Mounting Coupler
Connects two PD ducts and secures linesets to walls for stable, professional commercial HVAC installations.
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PDB-K Mounting Bracket Coupler
Connects two straight ducts on a bracket for secure commercial lineset protection. Ideal for Slimduct RD system transitions.
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PDE 90 Ell
Connects horizontal and vertical linesets at a 90° angle for clean, durable commercial installations.
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PDF 45° Ell
Redirects straight ducts at a 45° angle for clean, professional commercial HVAC installations. Part of the durable Slimduct PD system.
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PDKS Universal Ell
Adjustable fitting redirects linesets at angles from 45° to 90° for clean, flexible commercial HVAC installations.
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PDT Tee
Transitions linesets in two directions while allowing size changes over exterior walls. Durable, clean finish for commercial rooftop HVAC installations.
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PDJ Coupler
Connects two ducts or fittings for a smooth, seamless joint. Durable and weather-resistant—ideal for rooftop and wall-mounted HVAC installations.
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PDC End Fitting
Covers and protects lineset end point, before connecting to the condenser. Clean, durable finish for rooftop and wall-mounted HVAC installs.
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PDJT T-Branch
Protective cover for VRV/VRF branching couplers. Durable and weather-resistant. Fits seamlessly with Slimduct PD system.
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PWP-N Wall Flange
The Slimduct PWP Wall Flange is a protects the linesets at the entry point and features a decorative piece that encloses the connection between the PD straight duct and the wall flange.
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.