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MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O)
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MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O)

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O)

$92.40

Original: $264.00

-65%
MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O)

$264.00

$92.40

The Story

The MRCOOL 5th Gen DIY Line Set is a required component for installing your MRCOOL DIY ductless mini-split system. This 25-foot model is pre-charged with environmentally friendly R-454B refrigerant and works with MRCOOL's DIY 5th Gen 6K, 9K and 12K air handler units, featuring 1/4” liquid and 3/8” suction lines.

Equipped with Quick Connect fittings, the line set allows for fast, tool-free installation—no vacuuming, charging, or special certifications needed. Built with durable, kink-resistant materials and a leak-proof design, it ensures long-lasting, efficient performance. Available in multiple lengths, it’s the key to making your HVAC setup truly DIY-friendly.

Series

5th Gen DIY Line Set - R-454B

Compatible Air Handlers

6K, 9K, & 12K 5th Gen DIY

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 (Oz)

2.12

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 Weight (Lbs)

14.6

 

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O) - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O) - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

The MRCOOL 5th Gen DIY Line Set is a required component for installing your MRCOOL DIY ductless mini-split system. This 25-foot model is pre-charged with environmentally friendly R-454B refrigerant and works with MRCOOL's DIY 5th Gen 6K, 9K and 12K air handler units, featuring 1/4” liquid and 3/8” suction lines.

Equipped with Quick Connect fittings, the line set allows for fast, tool-free installation—no vacuuming, charging, or special certifications needed. Built with durable, kink-resistant materials and a leak-proof design, it ensures long-lasting, efficient performance. Available in multiple lengths, it’s the key to making your HVAC setup truly DIY-friendly.

Series

5th Gen DIY Line Set - R-454B

Compatible Air Handlers

6K, 9K, & 12K 5th Gen DIY

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 (Oz)

2.12

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 Weight (Lbs)

14.6

 

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler (DIY25-1438-O) | Home Outlet Direct