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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:
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Pre-Charged Convenience – Factory pre-charged with eco-friendly R-454B refrigerant for immediate use.
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Quick-Connection Fittings – Enables simple installation without vacuuming or specialized HVAC tools.
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Unit Compatibility – Designed for MRCOOL® DIY® 6K, 9K, and 12K indoor air handlers.
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Durable Construction – Strong materials with a white finish and copper interior for lasting reliability.
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Optimal Size – 25 ft line set with 1/4 in. liquid line and 3/8 in. suction line.
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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 |