Need more distance between your indoor and outdoor EG4 mini-split units? The EG4 Line Set Extension Kit adds 16.4 ft (5 m) of pre-vacuumed refrigerant lines with Plug-N-Cool connectors for a simpler install—no HVAC technician required for the connection process Key Features & Benefits: Adds 16.4 ft (5 m) of additional line length for EG4 mini-split installs Pre-vacuumed lines with Plug-N-Cool connectors for streamlined setup Includes connectors to join Plug-N-Cool line sets together Designed to be installed during initial installation (before opening outdoor unit refrigerant valves) (per manufacturer guidance provided) Notes on performance: adding a line set can cause ~3% efficiency loss per additional line set without added refrigerant* (per manufacturer guidance provided) *Installing a line set extension adds system volume and may lead to ~3% loss in efficiency per additional line set unless refrigerant is added by a licensed HVAC technician (guidance provided: 0.2 oz/ft). Specs in a Glance: Product Type: Mini-split line set extension kit Added Length: 16.4 ft (5 m) Line Size: 1/4" x 3/8" (provided) Connectors: Plug-N-Cool (pre-vacuumed) Intended System: EG4 12k AC/DC (provided) What’s Included: 16.4 ft (5 m) pre-vacuumed line set extension Coupling connectors to combine Plug-N-Cool line sets Ideal For: Installations where the standard included line length isn’t enough Longer runs between indoor head and outdoor condenser during a new EG4 mini-split install DIY-friendly routing needs (shops, additions, detached spaces) where extra reach helps User Manual / Documents: EG4 Mini-Split Line Set Extension Kit Quick Start Guide