Air Dominion Line Set Cover Wall Duct Kit, 4.5 in. x 12 ft.
Reviewed pricing, lead time, freight, and final configuration are confirmed during quote review before order release.
Air Dominion Line Set Cover Wall Duct Kit conceals and protects the refrigerant lines, control wire, and drain hose running down the exterior wall - the finished look for street-facing installs and the armor against weather, pets, and yard damage. The 4.5 in. white duct system covers a 12 ft run with couplers, wall inlet, elbow, and end fitting included. This Air Dominion quoting record is presented as a reviewed accessory configuration, with final configuration confirmed during quote review before release.
Highlights
- Complete 12 ft cover run: three 4 ft duct lengths plus fittings
- Includes two couplers, wall inlet, end fitting, and one 90-degree elbow
- 4.5 in. duct class swallows the line set, control wire, and drain hose together
- Snap-together white ducting, paintable to match the exterior
Specification Table
| Duct size class | 4.5 in. |
| Coverage | 12 ft |
| Duct lengths | 3 x 4 ft |
| Fittings | 2 couplers, 1 wall inlet, 1 end fitting, 1 90-degree elbow |
| Color | White |
Included Equipment
- Three 4 ft duct lengths
- Two couplers
- One wall inlet
- One end fitting
- One 90-degree elbow
- Mounting screws
Installation Notes
- Plan the route before drilling: wall inlet at the penetration, straight duct down, elbow at direction changes, end fitting at the base.
- Fasten the duct base to the wall on the published spacing, snap covers on after the lines are dressed inside.
- Longer runs combine kits; count fittings against the routed path during quote review.
Warranty and Support
- Prepared for Air Dominion quote review. Final accessory configuration, coverage terms, and installation documents are confirmed before release.
- Accessory coverage follows the published Air Dominion accessory support terms confirmed during quote review.
Frequently Asked Questions
Will the covers fit an Air Dominion line set with drain and wire inside?
Yes. The 4.5 in. duct class is sized for an insulated line set pair (up to the 3/8 x 5/8 size used by 24K systems) plus control wire and drain line in one channel.
How much wall does one kit cover?
12 ft of straight run with one corner; longer or multi-corner routes combine kits and extra fittings.
Can it be painted?
Yes. The white ducting takes exterior-grade paint so it can blend with the facade.
Documents
- Type Mini Split Accessory
- SKU AD-HVAC-ACC-MS-LINEHIDE-45
Download the available product documents below. If a document is not linked yet, use the SKU during quote review.
Project pricing, lead time, freight routing, and final configuration are confirmed during quote review before order release.
Support and request quote workflows stay available throughout specification and order planning.