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MRCOOL 25 Foot R454-B Lineset for 18K BTU 5th Gen DIY Series Mini-Splits
MRCOOL 25 Foot R454-B Lineset for 18K BTU 5th Gen DIY Series Mini-Splits
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MRCOOL 25 Foot R454-B Lineset for 18K BTU 5th Gen DIY Series Mini-Splits
$272
00
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$339.99
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$67.99
(20%)
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Product Details
Manufacturer:
MRCOOL
MRCOOL Part Numbers:
DIY25-1412-O
Item Number:
MRC-DIY25-1412-O
UPC:
840255587099
The MRCOOL 25 Foot R454-B Lineset is a super handy addition to your 18K BTU 5th Gen DIY Series Mini-Split system. Getting it set up is a breeze, seriously, it's designed for easy installation. You'll dig the awesome insulation that keeps condensation from forming and stops energy from getting wasted, meaning more comfort for you. Plus, the Quick Connect fittings make hooking everything up a snap, giving you a solid, no-fuss connection without needing any special tools. This lineset really helps your mini-split run at its best.
Customer Q&A with Product Specialists
Dale M.
from Texas asked:
What size are the fittings?
The MRCOOL 25 Foot R454-B Lineset features Quick Connect fittings with a 1/4" liquid line and a 1/2" suction line. This lineset is designed for 18K BTU 5th Gen DIY Series Mini-Splits and compatibility with other units is not guaranteed.
Answered by:
Sid G.
on Apr 21, 2026
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