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MRCOOL 3/8 Inch x 5/8 Inch Lineset for DIY 24K & 36K Indoor Units

MRCOOL 3/8 Inch x 5/8 Inch Lineset for DIY 24K & 36K Indoor Units

$291
95
Was $359.99
Save $68.04 (19%)
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Product Details

Manufacturer: MRCOOL
MRCOOL Part Numbers: DIY16-3858
Item Number: MRC-DIY16-3858
UPC: 810035931022
The MRCOOL 3/8 Inch x 5/8 Inch Lineset for DIY 24K & 36K Indoor Units is a super handy way to connect your MRCOOL DIY air conditioning system. This lineset is designed for easy hookup, featuring screw-on quick-connect valves that make setup a breeze, and you won't need a vacuum to get it working. It comes pre-charged with the correct amount of R-410A refrigerant, so it's ready to go right out of the box. Plus, it's built tough to resist kinks and leaks, giving you peace of mind. If you need a longer run, you can even join multiple linesets together with a coupler. This smart setup works with both single and multi-zone MRCOOL DIY units, simplifying your installation process.

Customer Q&A with Product Specialists

Rick K. from The Dalles Oregon asked:
Can the couplers be purchased separately?
Can the couplers be purchased separately?
We only offer the couplers in conjunction with the communication wire.
Answered by: Tyler M.

Helpful?

0
Jack D. from Ware shoals sc asked:
Are these lines pre-charged?
Are these lines pre-charged?
Yes, these linesets are pre-charged with R-410A refrigerant.
Answered by: Aaron D. on Feb 06, 2026

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Customer Reviews

MRCOOL 3/8 Inch x 5/8 Inch Lineset for DIY 24K & 36K Indoor Units
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By David R.

Inspect Before Install

Be sure to double-check the lineset for any debris or issues before beginning your DIY installation. Otherwise, the lineset looks good.
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Shelley D.

DIY is possible, but MrCool's lineset needs improvement.

This lineset is functional for DIY, but the instructions could be clearer. Expect a learning curve and potential frustrations during the installation; be prepared to conduct thorough research.
4.5
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
2 Reviews
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