
MRCOOL DIY | Line Set Coupler Kit | 24k and 36k line set | 75 ft DIYPro Cable
Line Set Coupler Kit | 24k and 36k line set | 75 ft DIYPro Cable
Extend your MRCOOL DIY 4th Gen system with confidence using the MRCOOL DIYCOUPLER-3858K75 Line Set Coupler Kit. Designed specifically for 24k and 36k BTU configurations, this kit includes 3/8" and 5/8" No-Vac couplers for quick and secure connection of Quick Connect line sets—no vacuum pump or specialized tools required.
This package includes two double male-end couplers, giving you a spare for added convenience and flexibility. With the 75 ft pre-wired DIYPro communication cable, connecting your indoor air handler to the outdoor condenser is seamless and efficient. To maintain top performance, 3/4" insulating sleeves are included to protect against condensation buildup.
Key Features:
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Designed for 24k and 36k MRCOOL DIY Line Sets
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Includes (2) 3/8" and 5/8" No-Vac Couplers
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75 ft DIYPro Cable for air handler-to-condenser connection
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3/4" Insulating Sleeves reduce condensation and maintain efficiency
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No additional tools or vacuuming required
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Simplifies and extends MRCOOL DIY installations
Upgrade your setup with the Line Set Coupler Kit | 24k and 36k line set | 75 ft DIYPro Cable to enjoy expanded system flexibility and reliable performance.
Specification
COLOR |
Copper |
COLOR FAMILY |
Bronze/Copper Metallic |
REGISTERED WARRANTY |
N/A |
HAS BATTERIES |
No |
CONTAINS ELECTRONICS |
No |
CONTAINS CHEMICALS |
No |
CONTAINS AEROSOL |
No |
CONTAINS COMPRESSED GAS |
No |
PROPOSITION 65 WARNING |
Yes |
RESTRICTED STATES |
GU;PR;VI |
NET WEIGHT (LBS) |
10.80 |
GROSS DEPTH (IN) |
22.50 |
GROSS HEIGHT (IN) |
4.50 |
GROSS WIDTH (IN) |
11.00 |
GROSS WEIGHT (LBS) |
12 |
FREIGHT CLASS |
77.5 |
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Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
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Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

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Frequently Asked Questions

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