MRCOOL DIY 25ft 1/4 x 3/8 R‑454B Quick‑Connect Lineset for 6K, 9K & 12K Indoor Units

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$272.00

The MRCOOL DIY 25ft R‑454B Lineset 1/4 x 3/8 is a pre‑charged, Quick‑Connect refrigerant lineset designed for MRCOOL DIY 6K, 9K, and 12K indoor units. This MRCOOL DIY 25ft R‑454B lineset uses factory‑sealed 1/4 x 3/8 connections to support a true DIY installation without vacuum pumps or gauges. Built specifically for MRCOOL DIY systems, this 25ft R‑454B lineset ensures a secure, leak‑proof, tool‑free connection for longer installation distances.

Description

The MRCOOL DIY 25ft R‑454B Lineset 1/4 x 3/8 is engineered for MRCOOL DIY 6K, 9K, and 12K indoor units, offering a dependable, pre‑charged solution for extending installation distance. Each MRCOOL DIY R‑454B lineset is factory‑sealed, pressure‑tested, and ready for immediate use. With its Quick‑Connect fittings, this 25ft 1/4 x 3/8 R‑454B lineset maintains refrigerant integrity while delivering a secure, leak‑proof connection. Designed specifically for MRCOOL DIY systems, this MRCOOL DIY 25ft lineset supports clean, simple, and reliable DIY installation.

Key Features

  • 25ft MRCOOL DIY R‑454B lineset for extended installation runs
  • Pre‑charged R‑454B lineset for DIY use
  • 1/4″ liquid line and 3/8″ suction line
  • Fully sealed Quick‑Connect fittings
  • No vacuum pump or gauges required
  • Durable insulation for long‑term performance
  • Leak‑proof design for reliable operation
  • Compatible with MRCOOL DIY 6K, 9K & 12K indoor units
  • Ideal long‑run DIY R‑454B lineset option

Ideal For

  • Extending installation distance for MRCOOL DIY 6K, 9K & 12K systems
  • Routing a 25ft R‑454B lineset around obstacles or long wall runs
  • Homeowners wanting a true DIY installation
  • Installations requiring a longer MRCOOL DIY lineset

Specifications

Category Details
Length 25ft
Line Sizes 1/4″ (liquid) & 3/8″ (suction)
Refrigerant R‑454B
Compatibility MRCOOL DIY 6K, 9K & 12K Indoor Units
Fittings Quick‑Connect
Insulation High‑density, UV‑resistant

Related Products

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  • MRCOOL DIY Line Set Couplers
  • Line Set Covers
  • Wall Mount Brackets

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PROPOSITION 65 WARNING

⚠️ WARNING: This product can expose you to chemicals including lead and other substances known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov..

COLOR White
COLOR FAMILY Bronze/Copper Metallic
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 2.12
LINE SET LENGTH 25 ft
LINESET FITTING TYPE Quick-Connection
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
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) 10.4
GROSS DEPTH (IN) 32.09
GROSS HEIGHT (IN) 4.92
GROSS WIDTH (IN) 32.09
GROSS WEIGHT (LBS) 14.6