EG4 Mini-Split Line Set Extension Kit | 16.4 ft (5 m) | Plug-N-Cool | 12k AC/DC | 1/4" x 3/8"

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