MRCOOL DIYCOUPLER-58 + DIYCOUPLER-38 + 75ft MC-5 Cable, 5th Gen, - DIYCOUPLER-3858K75C
When one standard size DIY QUICK CONNECT LINE SET is not long enough, two standard QUICK CONNECT LINE SETS can be combined using our DIY COUPLER to increase the desired length of the QUICK CONNECT LINE SETS.
Use this 5th Gen DIYCOUPLER if you have a 24K or 36K Air Handler.
Includes
- 3/8" Liquid Line Coupler
- 5/8" Gas Line Coupler
- Insulation
- Communication Cable 75 ft
What our Experts Think
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Seamless connectivity: DIYCOUPLER-58 and DIYCOUPLER-38 allow easy linking of MRCOOL 5th Gen mini split components.
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Extended reach: Includes 75ft MC-5 cable for flexible placement and connection between indoor and outdoor units.
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DIY-friendly setup: Simplifies installation without specialized tools or professional assistance.
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Reliable performance: Designed to maintain strong electrical and communication signals for consistent operation.
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Durable MRCOOL engineering: Built to last with robust materials for long-term, low-maintenance use
Q&A
Q: What is the MRCOOL DIYCOUPLER-3858K75C?
A: A 5th Gen connection kit including DIYCOUPLER-58, DIYCOUPLER-38, and a 75ft MC-5 cable for mini split systems.
Q: What is it used for?
A: Enables easy connection and extension between MRCOOL 5th Gen mini split indoor and outdoor units.
Q: Is it compatible with 5th Gen systems?
A: Yes, designed specifically for MRCOOL DIY 5th Gen mini split units.
Q: Does it simplify installation?
A: Yes, it allows quick, plug-and-play installation without refrigerant handling.
Q: Why choose this kit?
A: Ensures flexible system setup, reliable connectivity, and full 5th Gen compatibility for DIY installations.
Maintenance Tips
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Inspect cables and couplers before each use for wear, damage, or loose connections.
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Keep connectors clean and dry to ensure reliable communication and performance.
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Avoid sharp bends or kinks in the MC-5 cable to prevent internal wire damage.
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Secure connections properly between indoor and outdoor units to avoid system errors.
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Store unused cable properly in a dry, cool place to extend lifespan.
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Check for firmware or compatibility updates on connected MRCOOL devices for optimal operation.
Damage 
Loss 
Theft 
