Mr Cool DIY16-3858-O 5th Gen DIY No-Vac Lineset – 16 ft (For 24K & 36K, R-454B)
The Mr Cool DIY16-3858-O is a factory pre-charged, Quick Connect “no-vac” lineset designed specifically for MRCOOL 5th Gen DIY mini-split systems. With a 16-foot length and the correct line sizing for higher-capacity DIY units, it provides a fast, DIY-friendly connection between the indoor and outdoor components—no vacuum pump, gauges, or field charging required when used as intended.
Country of Origin: Varies by production batch
Key Features / Specifications
- Part number: DIY16-3858-O
- System generation: MRCOOL DIY 5th Gen
- Length: 16 ft
- Line sizes: 3/8" liquid x 5/8" suction
- Refrigerant charge: Pre-charged with R-454B
- Connection type: MRCOOL Quick Connect fittings (no-vac installation style)
- Compatibility: Designed for 24,000 BTU & 36,000 BTU DIY indoor units (lineset must match indoor unit size)
Ideal For
- Replacing a damaged lineset on a 5th Gen MRCOOL DIY system
- Installations where the condenser is close to the air handler (16 ft run)
- DIY installs that need quick-connect, factory-charged line convenience