Heating and Cooling› Air Conditioning

MrCool LLC

25FT 3/8 X 5/8 LINESET FOR DIY 24K & 36K INDOOR R454B WHITE

$466.38

SKU: M0B6 DIY25-3858-O

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This 25-foot MrCool DIY pre-charged line set is designed for R-454B systems, offering flexible and easy installation without the need for an HVAC technician or vacuum pump. It includes secure quick-connect fittings to simplify setup. The line set is compatible with MRCOOL DIY 5th Gen single-zone 24K & 36K mini-split indoor units and supports standard installations. It features durable copper lines with UV-resistant insulation for long-term reliability. Optional coupler kits are available for extended setups.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMrCool LLC
Part NumberM0B6 DIY25-3858-O

Videos

NEW features of the No-Vac® Quick Connect® MrCool Lineset Compatible with Ducted Systems

NEW features of the No-Vac® Quick Connect® MrCool Lineset Compatible with Ducted Systems

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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