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MRCOOL DIY® 5th Gen 25 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set - R454B (for 6K, 9K & 12K Indoor Units) (DIY25-1438-O)

by MRCOOL
SKU DIY25-1438-O
Save $435.00 Save $435.00
Original price $699.00
Original price $699.00 - Original price $699.00
Original price $699.00
Current price $264.00
$264.00 - $264.00
Current price $264.00
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MRCOOL DIY® 5th Gen 25 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set - R454B (for 6K, 9K & 12K Indoor Units) (DIY25-1438-O)

The MRCOOL® DIY® 25 ft 1/4 x 3/8 Line Set (Model: DIY25-1438-O) is an essential accessory for MRCOOL® DIY® Mini-Split systems. Pre-charged with R-454B refrigerant and featuring patented Quick-Connection fittings, it provides fast, tool-free installation and dependable performance for your 6K, 9K, or 12K indoor units.

FEATURES: 

  • Pre-Charged Convenience – Factory pre-charged with eco-friendly R-454B refrigerant for immediate use.

  • Quick-Connection Fittings – Enables simple installation without vacuuming or specialized HVAC tools.

  • Unit Compatibility – Designed for MRCOOL® DIY® 6K, 9K, and 12K indoor air handlers.

  • Durable Construction – Strong materials with a white finish and copper interior for lasting reliability.

  • Optimal Size – 25 ft line set with 1/4 in. liquid line and 3/8 in. suction line.

  • Safe & Certified – Contains refrigerant and compressed gas; meets Proposition 65 compliance standards.

SPECIFICATIONS:

Series 5th Gen DIY Line Set - R-454B
Model DIY25-1438-O
Equipment Type R-454B Charged Line Set
Compatible Indoor Units 6K (5th Gen)
Line Set Length 25 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
Net Weight 10.4 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