Star Box Mini Split Rough-In Kit – USA-Made

Professionally protect your mini split installation with the Star Box Mini Split Rough-In Kit, a complete solution for both exterior and interior line management. The Lineset Box provides a weatherproof termination point on the exterior wall, sealing refrigerant lines, condensate drain, and low-voltage wiring securely. Meanwhile, the Star Box organizes and shields these connections inside the wall cavity, preventing damage from kinks, crushes, or moisture—ensuring a clean, long-lasting installation.

Designed by HVAC contractors for contractors, this kit eliminates the guesswork of DIY penetrations and ensures every job meets code and inspection standards. Built from 16-gauge steel (not flimsy plastic), the Star Box delivers durability that matches the lifespan of your building. Whether you're working on new construction, retrofits, or commercial projects, this kit simplifies rough-in, reduces callbacks, and keeps your reputation intact. Install in minutes with standard tools—one kit per head unit, every time.