SKU: 68169050402

MRCOOL 50FT 1/4" x 3/8" Flared Line Set Kit for 9K & 12K Mini Splits (MC50-1438)

Sale price$148.05 Regular price$164.50
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

MRCOOL 50FT 1/4" x 3/8" Flared Line Set Kit for 9K & 12K Mini Splits (MC50-1438)Ensure a secure and professional connection between your indoor air handler and outdoor condenser with the MRCOOL 50FT 1 4" x 3 8" Flared Line Set Kit (MC50 1438). Designed for 9K and 12K mini split systems, this extended length line set is ideal for installations requiring longer line runs in residential and light commercial applications. System Compatibility This line set is compatible with: MRCOOL Olympus Series 9K & 12K systems MRCOOL Advantage

Ensure a secure and professional connection between your indoor air handler and outdoor condenser with the MRCOOL 50FT 1/4" x 3/8" Flared Line Set Kit (MC50-1438). Designed for 9K and 12K mini split systems, this extended-length line set is ideal for installations requiring longer line runs in residential and light commercial applications.

System Compatibility

This line set is compatible with:

  • MRCOOL Olympus Series 9K & 12K systems
  • MRCOOL Advantage Series 9K & 12K systems
  • Any mini split system requiring a 1/4" liquid line and 3/8" suction line

Compatible air handler types:

  • Wall-mounted units
  • Ceiling cassette units

Always verify line size and maximum line length specifications in your system manual before ordering.

Key Features

Extended 50-Foot Length
Provides additional flexibility for longer-distance installations such as multi-story homes, rental properties, garages, additions, workshops, and light commercial spaces.

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.

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 performance and reliability.

Not Pre-Charged
This line set is not pre-charged and must be properly evacuated and charged by a licensed HVAC professional prior to system startup.

Specifications

  • Length: 50 Feet
  • Line Size: 1/4" Liquid x 3/8" Suction
  • Connection Type: Flared
  • Compatible BTU Sizes: 9K and 12K
  • Pre-Charged: No

Installation Notes

  • Confirm required line size and maximum allowable line length with your condenser.
  • Torque flare fittings to manufacturer specifications.
  • Properly support and protect the line set along its entire run.
  • System must be vacuumed and professionally charged before operation.
  • Longer runs may require additional refrigerant depending on manufacturer guidelines.

This 50FT 1/4" x 3/8" flared line set provides a dependable solution for extended-run 9K and 12K mini split installations, delivering flexibility without sacrificing performance.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 68169050402

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jason m.
Houston, US
★★★★★ 5
Perfect
Exactly what I needed to split power between amps.
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Reviewed in the United States on May 19, 2026
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Ian8814
Belleville, US
★★★★★ 5
Cood product, no issues as yet.
Works, easy to put in-line, as they shouldn't be seen looks don't matter.
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Reviewed in the United States on December 9, 2025
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Hedra Soliman
Carnegie, US
★★★★★ 5
Not M-ANL
Size: Single, Style: 1-Way 200A Fuse, Color: Square ANL Fuse Holder
good quality, fit and finish my only issue and why i returned it is because it is an F-ANL fuse hlder and not a mini ANL
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Reviewed in the United States on February 2, 2026
D
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Diego Armando Mentado Resendiz
Massapequa, US
★★★★★ 5
buena
Size: Single, Style: 1-Way 200A Fuse, Color: Square ANL Fuse Holder
es de gran uso, me sirvió para lo que necesitaba y es de buena calidad, lo recomiendo y sirve para camionetas grandes.
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Reviewed in the United States on September 26, 2025
A
Verified Purchase
antonio garcia
Port Orchard, US
★★★★★ 5
El mejor
Size: Single, Style: 1-Way 200A Fuse, Color: Square ANL Fuse Holder
Buena marca para audio
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Reviewed in the United States on October 1, 2025

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