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Home > Mrcool > MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 1/2", for DIY 18K Mini Split Indoor Air Handler (DIY35-1412C-O)

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 1/2", for DIY 18K Mini Split Indoor Air Handler (DIY35-1412C-O)

Mrcool  | Authorized Dealer  |  SKU: DIY35-1412C-O

Original price $510.00 - Original price $510.00
Original price
$510.00
$510.00 - $510.00
Current price $510.00
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MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set – 1/4" x 1/2"

Opening Overview

The MRCOOL DIY 5th Gen 35 ft. Line Set is designed for homeowners and professional HVAC installers looking for a fast, reliable ductless mini-split installation solution. Compatible with MRCOOL DIY 18K indoor air handlers, this pre-charged line set eliminates the need for special certifications, vacuuming, or refrigerant charging.

Built for durability and long-term performance, it features kink-resistant tubing and leak-proof Quick Connect fittings for a hassle-free installation experience. Environmentally friendly R-454B refrigerant ensures efficient cooling while maintaining compliance with modern HVAC standards. Ideal for DIY enthusiasts who demand professional-grade results.

This 35-foot line set provides flexibility for most residential installations, helping you achieve safe, efficient, and streamlined HVAC setups without compromise.

Why Choose the MRCOOL DIY 5th Gen 35 Ft. Line Set

  • Works seamlessly with MRCOOL 5th Gen 18K DIY air handlers
  • Pre-charged with eco-friendly R-454B refrigerant for immediate use
  • Quick Connect fittings allow tool-free installation—no vacuum or charging required
  • Durable, kink-resistant tubing ensures long-lasting performance
  • Leak-proof design enhances reliability and efficiency
  • Suitable for DIY projects and professional HVAC installations
  • Multiple lengths available to accommodate different installation layouts
  • Lightweight and easy to handle, reducing installation effort

Key Features

  • Pre-Charged with R-454B Refrigerant – Ready for immediate installation, compliant with environmental standards
  • Quick Connect Fittings – Fast, tool-free connections for DIY or professional setups
  • Durable Materials – Kink-resistant tubing prevents damage during installation
  • Leak-Proof Design – Ensures long-term reliability and energy-efficient operation
  • 35-Foot Length – Provides ample reach for most residential installations
  • Compatible with 18K 5th Gen DIY Air Handlers – Guaranteed fit and performance
  • Lightweight Construction – Easy to handle and maneuver during installation

Specifications

Specification Details
Series 5th Gen DIY Line Set – R-454B
Compatible Air Handlers 18K 5th Gen DIY
Line Set Length 35 ft
Lineset Fitting Type Quick Connect
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 3.46 lbs
Liquid Line Size 1/4"
Suction Line Size 1/2"
Net Weight 18.3 lbs
Gross Weight 22.7 lbs
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Restricted States GU; PR; VI

Installation Requirements (Important)

  • Ensure the line set is installed according to MRCOOL DIY instructions.
  • Avoid sharp bends or kinks during installation to maintain integrity and leak-proof performance.
  • Verify refrigerant charge and line connections before powering the system.
  • Installation must comply with local building codes and safety regulations.
  • Professional oversight is recommended for complex or extended installations.

Warranty

  • 1-year parts warranty
  • Structural warranty not applicable
  • Labor costs not included
  • Free shipping on replacement parts within warranty period

Bottom Line

The MRCOOL DIY 5th Gen 35 ft. Line Set is the ideal solution for homeowners and HVAC professionals seeking a fast, safe, and reliable mini-split installation. With pre-charged refrigerant and tool-free Quick Connect fittings, it simplifies the installation process while delivering professional-grade performance.

Live Chat with us or call (866) 412-1837 to confirm fitment, installation requirements, or shipping details.

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