Line Set Covers
NAHVAC Line Set Covers provide a clean, professional finish while helping protect refrigerant lines, insulation, condensate drain lines, and wiring from exposure and physical damage. Designed for HVAC and heat pump installations, the modular cover system includes a range of straight sections, corners, joints, fittings, and end caps to accommodate different installation layouts.
Available in 3-inch and 5-inch widths, the system offers flexible routing options for both residential and light commercial applications. The components can be combined to create a neat, finished installation around walls, corners, ceilings, and other routing conditions.
Key Features
- Clean, professional appearance – Conceals exposed line sets and wiring for a finished installation.
- Protective design – Helps shield refrigerant lines, insulation, drain lines, and wiring from physical exposure and outdoor elements.
- Modular system – Multiple components can be combined to suit different installation configurations.
- Multiple width options – Available in 3-inch and 5-inch configurations to accommodate different line set sizes.
- Versatile fittings – Includes straight ducts, wall corners, 90° corners, plane corners, flexible sections, joints, end fittings, ceiling caps, T joints, and reducers.
- Easy to configure – Components can be selected and arranged according to the installation layout.
- Ideal for HVAC & heat pump applications – Suitable for residential and light commercial installations.
Available Models
3″ Width
- DD-80 – Straight Duct
- DQ-80-2 – Wall Corner
- DZ-80 – In & Out 90° Corner
- DW-80 – Plane Corner
- DL-80 – Cover Joint
- DR-80 – Flexible
- DJ-80 – End Fitting
- DG-80 – Ceiling Cap
5″ Width
- DD-130 – Straight Duct
- DQ-130-2 – Wall Corner
- DZ-130 – In & Out 90° Corner
- DW-130 – Plane Corner
- DL-130 – Cover Joint
- DR-130 – Flexible
- DJ-130 – End Fitting
- DG-130 – Ceiling Cap
- DT-130 – T Joint
- DE-130 – DG-130 to DG-80 Reducer
Refer to the specification table for model numbers and detailed dimensions.











