MRCOOL 5th Gen 25ft 3/8 x 5/8 Pre-Charged Lineset w/ DIY Pro Cable for DIY 24K & 36K Indoor, DIY25-3858C-O
$613.00
25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor w/ DIY Pro Cable – R454B Compatible with EZ Pro
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This 25 ft. copper line set is designed to link the MRCOOL DIY 5th Generation Condensers to the MRCOOL DIY 5th Generation 24K & 36K Air Handlers. These line sets are pre-charged with R-454B refrigerant for added convenience. In Multi-Zone systems, it is essential to use one line set for each indoor unit to guarantee optimal system performance.
Please note that this line set includes a 25′ communication wire. If you are acquiring a MRCOOL DIY 5th Generation E Star mini split system that includes an air handler, a 25′ communication wire will be included in the air handler packaging.
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Specifications and Dimensions
Equipment Type R-454B Charged Line Set Length 25 Feet Color Copper Line Set Fitting Type Quick-Connection Liquid Line Size 3/8 Suction Line Size 5/8 Contains Chemicals Yes Contains Aerosol Yes Contains Compressed Gas Yes Proposition 65 Warning Yes Restricted States GU;PR;VI -
Handling Line Sets
When installing your MRCOOL system, handle refrigerant lines carefully to ensure optimal performance and prevent damage.
Bending the Copper Lines: Maintain a minimum 4-inch bend radius and use smooth curves instead of sharp angles to protect the lines and ensure proper refrigerant flow.
Avoid Repeated Bending: Bending copper lines more than three times can harden and weaken them, increasing the risk of breakage. Handle with care and minimize adjustments.
For best results, use gradual bends and consult a licensed professional or our support team if needed.





