Quick answers to questions about ordering, compatibility, and installation.
Ensure a secure and professional connection between your indoor air handler and outdoor condenser with the MRCOOL 16FT 1/4" x 3/8" Flared Line Set Kit (MC16-1438). Designed for 9K and 12K mini split systems, this line set provides reliable performance for residential and light commercial installations.
This line set is compatible with:
Compatible air handler types:
Always verify required line sizes in your system specifications prior to purchase.
Correct Line Size for 9K & 12K Systems
Configured with 1/4" liquid and 3/8" suction lines, suitable for most 9K and 12K mini split applications.
16-Foot Length
Ideal for shorter runs in residential homes, rental properties, garages, additions, and compact installations.
Flared Connections
Factory-flared ends allow for secure, leak-resistant connections when properly torqued to manufacturer specifications.
Durable Copper Construction
Built from high-quality copper tubing designed for long-term HVAC operation.
Not Pre-Charged
This line set is not pre-charged and must be properly evacuated and charged by a licensed HVAC professional before system startup.
This 16FT 1/4" x 3/8" flared line set provides a dependable connection solution for 9K and 12K mini split systems, offering flexibility for shorter-distance installations while maintaining long-term performance.
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
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