MRCOOL DIY 5th Gen 35 ft. 3/8" x 5/8" Pre-Charged Quick Connect Line Set with DIY Pro Cable (for 24K & 36K Indoor Units) - DIY35-3858C-O | HVAC System Accessory

Upgrade your MRCOOL system with this 35 ft. DIY 5th Generation Pre-Charged Line Set, built for easy installation, dependable performance, and total compatibility with 24,000 BTU and 36,000 BTU indoor air handlers. This line set features 3/8″ liquid and 5/8″ suction lines, pre-filled with eco-friendly R-454B refrigerant, and includes the DIY Pro Cable in matching length for a complete and seamless setup.

Designed for use with MRCOOL DIY 5th Gen single-zone systems and compatible with select multi-zone models, this 35-foot line set is ideal for medium-range installs where 25′ isn’t quite enough.

 Key Features

• Line Set Length: 35 feet

• Line Sizes: 3/8″ liquid x 5/8″ suction – specifically for 24K & 36K indoor units

• Pre-Charged with R-454B – No vacuuming or refrigerant handling required

• Includes 35 ft. DIY Pro Cable – Control wire included for plug-and-play installation

• Quick Connect Fittings – Patented design makes it easy for homeowners and pros alike

• Durable & Weather Resistant – Protected with a white UV-resistant sleeve for a clean, professional appearance

Shipping Information - Freight shipping available across the USA. Tracking details provided after dispatch.

Warranty Support - Manufacturer warranty support available on eligible products.

Compatibility Help - Need help choosing the right system? Contact our support team for sizing and compatibility assistance.