MRCOOL DIY 5th Gen 25 ft. 1/4" x 3/8" Pre-Charged Quick Connect Line Set (for 6K - 9k - 12k Indoor Units) - DIY25-1438-O | HVAC System Accessory

The MRCOOL DIY 5th Generation 25 ft. Pre-Charged Line Set is the standard line length for 6,000 -9,000 – 12,000 BTU mini split air handlers. Featuring 1/4″ liquid and 3/8″ suction lines, this set is pre-charged with R-454B refrigerant and uses MRCOOL’s patented Quick Connect fittings to ensure a safe, tool-free installation without the need for vacuum pumps or gauges.

Built for performance, flexibility, and ease of use, this 25 ft. line set is ideal for MRCOOL 5th Gen single-zone systems with 9K – 12K heads or multi-zone systems where one of the zones includes a 6,000 BTU air handler.

 Key Features

• Length: 25 feet – standard length for most mini split installs

• Line Sizes: 1/4″ liquid line x 3/8″ suction line – tailored for 6K – 9K – 12K indoor units

• Pre-Charged with R-454B – Environmentally friendly refrigerant sealed at the factory

• Quick Connect Fittings – Designed for easy, leak-free DIY installation

• Durable & Flexible – White UV-resistant sleeve with insulated copper tubing

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.