Reliable climate control for a small basement or home office starts with a solid refrigerant connection. The MRCOOL MC25-1438 provides the essential physical bridge between your indoor air handler and outdoor condenser, ensuring year-round comfort and energy efficiency.
This MRCOOL 25FT 9K & 12K Mini Split Line Set is purpose-built for low-tonnage applications. It offers full compatibility with MRCOOL Olympus Series and MRCOOL Advantage Series 9,000 and 12,000 BTU systems. Whether you are using wall-mounted air handlers or ceiling cassettes, this kit provides the 1/4" liquid and 3/8" suction lines required for optimal flow. As a non-DIY component, it must be vacuumed and charged by a licensed HVAC professional.
Utilizing the MRCOOL 25FT 1/4" x 3/8" Flared Line Set offers significant practical benefits. The high-quality copper tubing is designed to resist the rigors of high-pressure HVAC operation. A standout feature is the factory-flared ends, which facilitate secure, leak-resistant seals when properly torqued. This precision manufacturing reduces the risk of installation errors, allowing the system to pass pressure tests easily.
The 25-foot length provides the flexibility needed to navigate exterior mounting locations in workshops or garages. By eliminating manual on-site flaring, the MRCOOL MC25-1438 streamlines commissioning and prevents future maintenance calls, ensuring your system runs smoothly for years.
Product Highlights
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Optimized Line Sizing
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Matches requirements for 9K and 12K systems
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Flared End Connections
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Supports accurate and secure fitting alignment
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Copper Tubing Build
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Provides strength and long-term usability
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25-Foot Coverage
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Allows flexible routing across installation spaces
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