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MRCOOL 25FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, c

SKU MC25-1438
by MRCOOL
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Description

MRCOOL 25FT 1/4" x 3/8" Flared Line Set Kit for 9K Olympus and Advantage Mini Split — Model MC25-1438

Streamline your MRCOOL mini split installations with the MRCOOL 25FT Flared Line Set Kit, specifically designed for 9,000 BTU Olympus and Advantage mini split systems. This essential connection kit bridges the outdoor condenser and indoor air handler, ensuring reliable refrigerant flow and optimal system performance.

Perfect Fit for 9K Mini Split Systems

Tailored for MRCOOL Olympus and Advantage 9K mini splits, this 25-foot line set provides the ideal length to accommodate most residential and light commercial installations. Its precise sizing guarantees compatibility, so you can confidently complete your installs without guesswork or modification.

Durable Copper Construction with Flared Fittings

Crafted from high-quality copper, the line set ensures long-lasting durability and excellent thermal conductivity. The flared fittings on both the liquid and suction lines simplify installation by providing secure, leak-resistant connections that withstand pressure and temperature fluctuations.

Designed for Efficiency and Reliability

With a liquid line size of 1/4" and suction line size of 3/8", this line set supports efficient refrigerant flow, maximizing your system’s cooling and heating capabilities. The 25-foot maximum length offers flexibility for a variety of layouts, while maintaining optimal performance.


Key Benefits at a Glance:
  • Specifically designed for MRCOOL Olympus and Advantage 9K mini split systems
  • 25-foot length ideal for most installation needs
  • Durable copper tubing ensures long-term reliability
  • Flared fittings provide secure, leak-resistant connections
  • Supports efficient refrigerant flow with 1/4" liquid line and 3/8" suction line
  • Simplifies installation, saving you time and reducing callbacks

Product Specifications:
  • Line Set Length: 25 feet
  • Liquid Line Size: 1/4 inch
  • Suction Line Size: 3/8 inch
  • Fitting Type: Flared
  • Compatible Tonnage: 9,000 BTU (9K)
  • Material: Copper
  • Weight: 17 lbs
  • Dimensions: 28.5" W x 3.5" H x 29" D

Picture the Advantage

Imagine completing your MRCOOL 9K Olympus or Advantage mini split installations with confidence, knowing you have the perfect line set kit designed for seamless connection and peak system efficiency. The MRCOOL 25FT Flared Line Set Kit is the essential component that ensures your installations are clean, reliable, and built to last—helping you deliver superior comfort solutions every time.

PRODUCT SPECIFICATIONS:

Dimensions 28-1/2"W x 3 1/2"H x 29"D
Tonnage For 9K
Color Copper
Line Set Length 25 FT
Max Lineset Length 25 FT
Lineset Fitting Type Flared
Liquid Line Fitting 3/8
Liquid Line Size 1/4
Suction Line Fitting 1/2
Suction Line Size 3/8
Registered Warranty N/A
Proposition 65 Warning Yes
Restricted States GU PR;VI
Freight Class 100
Weight 17 lbs


Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

  • Zone / ROOM:

    Zone / ROOM:

  • Air Handler BTU:

    Air Handler BTU:

  • Condenser BTU:

    Condenser BTU:

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat):

  • Warranty

    Warranty

Description

MRCOOL 25FT 1/4" x 3/8" Flared Line Set Kit for 9K Olympus and Advantage Mini Split — Model MC25-1438

Streamline your MRCOOL mini split installations with the MRCOOL 25FT Flared Line Set Kit, specifically designed for 9,000 BTU Olympus and Advantage mini split systems. This essential connection kit bridges the outdoor condenser and indoor air handler, ensuring reliable refrigerant flow and optimal system performance.

Perfect Fit for 9K Mini Split Systems

Tailored for MRCOOL Olympus and Advantage 9K mini splits, this 25-foot line set provides the ideal length to accommodate most residential and light commercial installations. Its precise sizing guarantees compatibility, so you can confidently complete your installs without guesswork or modification.

Durable Copper Construction with Flared Fittings

Crafted from high-quality copper, the line set ensures long-lasting durability and excellent thermal conductivity. The flared fittings on both the liquid and suction lines simplify installation by providing secure, leak-resistant connections that withstand pressure and temperature fluctuations.

Designed for Efficiency and Reliability

With a liquid line size of 1/4" and suction line size of 3/8", this line set supports efficient refrigerant flow, maximizing your system’s cooling and heating capabilities. The 25-foot maximum length offers flexibility for a variety of layouts, while maintaining optimal performance.


Key Benefits at a Glance:
  • Specifically designed for MRCOOL Olympus and Advantage 9K mini split systems
  • 25-foot length ideal for most installation needs
  • Durable copper tubing ensures long-term reliability
  • Flared fittings provide secure, leak-resistant connections
  • Supports efficient refrigerant flow with 1/4" liquid line and 3/8" suction line
  • Simplifies installation, saving you time and reducing callbacks

Product Specifications:
  • Line Set Length: 25 feet
  • Liquid Line Size: 1/4 inch
  • Suction Line Size: 3/8 inch
  • Fitting Type: Flared
  • Compatible Tonnage: 9,000 BTU (9K)
  • Material: Copper
  • Weight: 17 lbs
  • Dimensions: 28.5" W x 3.5" H x 29" D

Picture the Advantage

Imagine completing your MRCOOL 9K Olympus or Advantage mini split installations with confidence, knowing you have the perfect line set kit designed for seamless connection and peak system efficiency. The MRCOOL 25FT Flared Line Set Kit is the essential component that ensures your installations are clean, reliable, and built to last—helping you deliver superior comfort solutions every time.

PRODUCT SPECIFICATIONS:

Dimensions 28-1/2"W x 3 1/2"H x 29"D
Tonnage For 9K
Color Copper
Line Set Length 25 FT
Max Lineset Length 25 FT
Lineset Fitting Type Flared
Liquid Line Fitting 3/8
Liquid Line Size 1/4
Suction Line Fitting 1/2
Suction Line Size 3/8
Registered Warranty N/A
Proposition 65 Warning Yes
Restricted States GU PR;VI
Freight Class 100
Weight 17 lbs


Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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Frequently Asked Questions about MRCOOL 25FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, c

Most Frequently Asked Questions

MRCOOL mini splits typically last 12 to 15 years with proper installation and regular maintenance, though actual lifespan can vary based on usage, care, and environmental conditions.
Yes, you can buy MRCOOL mini split systems directly from MRCOOL’s official website as well as from authorized dealers and major online retailers.
The MRCOOL 4th Generation mini split series offers advanced features like improved Wi-Fi connectivity, enhanced energy efficiency, quieter operation, and updated design for easier installation, while the EasyPro series is designed specifically for DIY installation with pre-charged line sets and simplified setup but may have fewer advanced features compared to the 4th Generation models.

Other Questions

Both MRCOOL and Pioneer are reputable mini split brands; MRCOOL is often favored for its user-friendly DIY installation and competitive pricing, while Pioneer is praised for quieter operation and robust performance—choosing between them depends on your priorities such as ease of installation, budget, and specific performance needs.
The cost to install a MRCOOL mini split system typically ranges from $1,500 to $4,500, depending on factors like unit size, number of zones, installation complexity, and local labor rates.

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Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team