Mini Split Line Set 25 ft, 1/4 x 1/2 Insulated Copper

25 ft mini split line set keeps refrigerant lines protected and insulated for efficient HVAC and heat pump connections. This dual copper tubing pair includes 1/4 in high-pressure and 1/2 in low-pressure pipes with triple-layer insulation to help reduce condensation, resist moisture, and maintain temperature stability. Built to ASTM-compliant copper standards with controlled wall thickness for better bend resistance during routing between indoor and outdoor units.

• Fits 12,000–18,000 BTU mini split AC and heat pump systems using 1/4 in + 1/2 in refrigerant line sizes


• Includes 25 ft (7620 mm) insulated copper tubing pair plus wrapping strips/tie wraps for a clean finish


• Delivers triple-layer insulation to help limit energy loss, reduce sweating, and protect lines from wear


• Resists kinks with thickened copper wall control to avoid flattening during bends and tight runs


• Simplifies installs with flexible routing for longer indoor-to-outdoor distances and quick securing

Whether you’re replacing an old refrigerant line or completing a new mini split install, this insulated copper line set is designed for fast handling and dependable protection where it matters most: along the run. The dual-pipe format supports proper high/low pressure flow, while the multi-layer insulation helps guard against moisture and daily abrasion. Ideal for residential HVAC setups that need a 25 ft reach without extra splicing. Grab yours today and finish your line run with confidence.

• Line set length: 25 ft / 7620 mm


• High-pressure pipe O.D.: 1/4 in / 6.35 mm


• Low-pressure pipe O.D.: 1/2 in / 12.7 mm


• Insulation: triple-layer insulation wrap


• Net weight (with accessories): 7.16 lb / 3.25 kg


• Package dimensions (L×W×H): 24.41×24.41×1.97 in / 620×620×50 mm