Mr Cool 2 sets of Coupler for DIY 9k,12k,or 18k units

Mr Cool 2 sets of Coupler for DIY 9k,12k, or 18k units and 75ft of Communication Wire

The DIYCOUPLER-1412K75 MrCool Coupler Kit provides everything needed to extend or connect refrigerant line sets for MrCool DIY mini split systems. Designed specifically for 9k, 12k, and 18k DIY units, this kit includes two complete coupler assemblies along with 75 feet of communication wire, allowing simple, secure, and tool-free installation. Perfect for installations requiring additional length or multi-zone flexibility, the couplers maintain system integrity while preserving the DIY-friendly design MrCool is known for.

Country of Origin: Varies by components

Key Features / Specifications

• Part number: DIYCOUPLER-1412K75
• Compatibility: MrCool DIY 9K, 12K, and 18K mini-split systems
• Couplers included: (2) full coupler assemblies
• Communication wire: 75 ft included (sizing varies by model requirements)
• Installation type: DIY-friendly; no vacuum pump or special tools required
• Sealing: Pre-charged, self-sealing coupler connections
• Application: Extends or joins refrigerant line sets for longer runs
• Use cases: New installs, remodels, and expansions requiring extended line length

Kit Includes:

• (2) MrCool DIY coupler assemblies
• (1) 75 ft communication wire roll
• Installation instructions

Ideal For:

• Extending line sets on MrCool DIY 9k, 12k, or 18k systems
• Installations requiring additional length beyond factory line sets
• Homeowners installing DIY-friendly mini-split units
• Running communication lines through walls, attics, or basements
• Ensuring proper connectivity for long-distance mini-split setups