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MRCOOL  |  SKU: DIY25-1412C-O
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MRCOOL 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 1/2", for DIY 5th Gen EasyPro 9K, 12K, & 18K Indoor Mini Split System

$436.00 USD

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Description

MRCOOL 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 1/2", for DIY 5th Gen EasyPro 9K, 12K, & 18K Indoor Mini Split System

The MRCOOL DIY® 5th Gen 25 ft Pre-Charged Quick Connect Line Set (1/4″ x 1/2″) is a ready-to-install refrigerant line solution designed specifically for MRCOOL DIY 5th Gen EasyPro 9K, 12K, and 18K indoor mini-split air handlers. This line set comes factory pre-charged with R‑454B refrigerant, eliminating the need for vacuuming or refrigerant charging during installation. The Quick Connect fittings enable secure, leak-resistant connections without requiring specialized HVAC tools, making it ideal for DIY installers.

Featuring a 25 ft length, this line set provides flexibility in connecting the indoor and outdoor units across standard wall and room configurations. It is built with durable materials that support long-lasting performance and reliable refrigerant flow, ensuring efficient heating and cooling operation for the compatible indoor units.

The line set is specifically sized with a 1/4″ liquid line and a 1/2″ suction line, making it ideally suited for the MRCOOL DIY 5th Gen EasyPro 9K, 12K, and 18K systems. Its design helps reduce installation time and complexity while maintaining a secure and dependable connection between system components.

Perfect for homeowners and installers alike, this pre-charged Quick Connect line set delivers a practical, efficient, and straightforward solution for typical mini-split installations, whether setting up a new system or replacing an existing line set.

Please note: This system is designed for DIY installation and includes a pre-charged Quick Connect line set for easy setup without HVAC tools or certification.

Features

  • Pre-Charged with R-454B Refrigerant – Eliminates the need for vacuuming or charging, saving time and simplifying installation.
  • Durable Copper Construction – Built to last, ensuring long-term reliability and efficient performance.
  • Quick Connect Fittings – Secure and leak-free connections without special tools, designed for true DIY use.
  • Extended Reach – 25-foot length provides flexibility for different installation layouts and room setups.
  • System Compatibility – Specifically designed for MRCOOL DIY 5th Gen EasyPro 9K, 12K, and 18K indoor mini split systems.

Specifications

Series

DIY 5th Gen EasyPro Line Set - R-454B

Compatible Air Handlers

9K, 12K, & 18K DIY 5th Gen EasyPro

Line Set Length

25 ft

Lineset Fitting Type

Quick-Connection

Gross Dimensions

32.09" D x 4.92" H x 32.09" W

Color

White

Color Family

Bronze/Copper Metallic

Refrigerant Type

R-454B

Refrigerant Volume 

2.12

Liquid Line Size

1/4

Suction Line Size

1/2

Registered Warranty

N/A

Has Batteries

No

Contains Electronics

No

Contains Chemicals

Yes

Contains Aerosol

Yes

Contains Compressed Gas

Yes

Proposition 65 Warning

Yes

Restricted States

GU;PR;VI

Net Weight (Lbs)

17

Gross Weight (Lbs)

21.4

Applications

  • Small homes – Perfect for extending your EasyPro system to fit your space.

  • Apartments & Condos – Great for compact living environments.

  • Garages & Workshops – Allows efficient cooling and heating in utility spaces.

  • Renovations – Simplifies retrofitting existing setups with new EasyPro mini split units.

What’s Included

  • MRCOOL 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 1/2

  • User Manual

Frequently-Asked Questions

Do I need special tools to install this line set?
No, this line set comes pre-charged and uses Quick Connect fittings, making it easy for DIY installation without HVAC tools.

Is this line set compatible with all MRCOOL systems?
No, it is designed specifically for the DIY 5th Gen EasyPro 9K, 12K, and 18K indoor mini split systems.

Can the line set be extended beyond 25 feet?
This line set is fixed at 25 feet. For longer runs, MRCOOL offers additional line set options.

Does the line set come pre-charged?
Yes, it is pre-charged with R-454B refrigerant for fast installation.

Payment & Security

Payment methods

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  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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