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Description
MRCOOL DIY® 5th Gen 25 ft. 3/8" x 5/8" Pre-Charged Quick Connect Line Set (for 24K & 36K Indoor Units)MRCOOL DIY 5th Gen 25 ft. 3 8" x 5 8" Pre Charged Quick Connect Line Set (for 24K & 36K Indoor Units) The MRCOOL DIY 5th Generation 25 ft. Pre Charged Quick Connect Line Set is the standard length refrigerant line set for MRCOOLs 24K and 36K indoor units. Built for homeowners and HVAC professionals alike, this line set features 3 8" liquid and 5 8" suction lines, factory pre charged with R 454B refrigerant, and sealed for leak free performance.
MRCOOL DIY® 5th Gen 25 ft. 3/8" x 5/8" Pre-Charged Quick Connect Line Set (for 24K & 36K Indoor Units)
The MRCOOL DIY® 5th Generation 25 ft. Pre-Charged Quick Connect Line Set is the standard-length refrigerant line set for MRCOOL’s 24K and 36K indoor units. Built for homeowners and HVAC professionals alike, this line set features 3/8" liquid and 5/8" suction lines, factory pre-charged with R-454B refrigerant, and sealed for leak-free performance.
Designed for easy installation with MRCOOL DIY 5th Gen single-zone and multi-zone systems, this 25 ft. line set comes equipped with Quick Connect fittings, making it possible to install without vacuum pumps, gauges, or licensed technicians.
Key Features
- Length: 25 feet – standard for most DIY mini split installations
- Line Sizes: 3/8" liquid x 5/8" suction – perfectly sized for 24K & 36K units
- Refrigerant: Pre-charged with eco-friendly R-454B
- Connection: Quick Connect fittings – no vacuuming, brazing, or special tools needed
- Durability: White UV-resistant insulation with robust copper line construction
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Compatible Systems:
- MRCOOL DIY® 5th Gen Single-Zone 24K & 36K
- MRCOOL Multi-Zone Systems: Multi3-18K, Multi4-27K, Multi5-36K, Multi6-48K, Multi6-55K
(Line set must match the size of each air handler in multi-zone configurations)
Installation Tips
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This is the default line set length included with most 24K and 36K DIY systems.
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When extending beyond 25 feet, you'll need a coupler kit and longer control wire (Pro Cable) to complete the connection.
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Follow MRCOOL torque specs for fittings to ensure a proper seal and warranty compliance.
Shop with confidence at MRCOOL DIY Direct – the nation’s leading source for MRCOOL systems, accessories, and expert support. This 25 ft. line set is the perfect fit for standard installations and upgrades.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy