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MRCOOL DIY 5th Gen - 1/4" x 3/8" Pre-Charged Quick Connect Line Set with Line Set Length Options (6K, 9K & 12K Indoor - R454B)

by MRCOOL
SKU DIY16-1438-O
Save up to $435.00 Save $272.00
Original price $499.00
Original price $499.00 - Original price $899.00
Original price $499.00
Current price $227.00
$227.00 - $587.00
Current price $227.00
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Description

MRCOOL DIY 5th Gen - 1/4" x 3/8" Pre-Charged Quick Connect Line Set with Line Set Length Options (6K, 9K & 12K Indoor - R454B)

LINE SET LENGTH:

  • 16 ft. (DIY16-1438-O)
  • 25 ft. (DIY25-1438-O) with DIY Pro Cable (DIY25-1438C-0)
  • 35 ft. with DIY Pro Cable (DIY35-1438C-O)
  • 50 ft. with DIY Pro Cable (DIY50-1438C-O)

Upgrade your DIY mini-split system with the MRCOOL DIY® 5th Gen Pre-Charged Quick Connect Line Set. Engineered for compatibility with MRCOOL DIY 5th Gen 6K, 9K, and 12K indoor air handler units, these line sets offer reliable performance, simplified installation, and professional-quality design without requiring special tools or certifications.

Available in four length options—16 ft., 25 ft., 35 ft. (with DIY Pro Cable), and 50 ft. (with DIY Pro Cable)—each set includes 1/4" liquid and 3/8" suction lines pre-charged with environmentally friendly R-454B refrigerant.

These durable, kink-resistant line sets are essential components for setting up your MRCOOL ductless mini-split system.

FEATURES:

  • Designed for MRCOOL DIY® 5th Gen 6K, 9K & 12K indoor units
  • Available lengths: 16 ft., 25 ft., 35 ft. (with Pro Cable), 50 ft. (with Pro Cable)
  • Line sizing: 1/4" liquid line x 3/8" suction line
  • Factory pre-charged with R-454B refrigerant
  • Quick Connect fittings for tool-free, fast installation
  • No vacuuming, charging, or special HVAC certifications required
  • Durable, leak-proof, and kink-resistant construction
  • White exterior finish with bronze/copper metallic components
  • Ideal for homeowners and pros alike
  • Enables seamless refrigerant transfer for optimal system performance

NOTE: The line set is a required component for installing MRCOOL DIY® mini-split systems.

SPECIFICATIONS:

Series 5th Gen DIY Line Set - R-454B
Equipment Type R-454B Charged Line Set
Compatible Indoor Units 6K (5th Gen)
Line Set Length 16 ft. | 25 ft. | 35 ft. | 50 ft.
Liquid Line Size 1/4"
Suction Line Size 3/8"
Line Set Fitting Type Quick-Connection
Refrigerant Type R-454B
Refrigerant Volume 2.12 oz | 2.12 oz | 2.12 oz | 6.07 oz
Net Weight 7.9 lbs | 10.4 lbs | 17.6 lbs | 24 lbs
Contains Chemicals Yes
Contains Aerosol Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Restricted States GU, PR, VI
Batteries Required No
Contains Electronics No