89J57 | Cerroset 612803000009, 3/8"L x 3/4"S x 3/8" Wall x 30', Standard Insulated Lineset, Plain End, Black | Lennox

**L1 3/8x3/4x3/8x30' Line Set (89J57)** This Lennox L1 3/8x3/4x3/8x30' Line Set (89J57) provides a durable and reliable solution for connecting your air conditioning or refrigeration system components. Constructed with high-quality materials, it ensures optimal performance and longevity. The line set consists of four copper tubes: a 3/8" liquid line, a 3/4" suction line, a 3/8" suction line, and a 30' expansion device. These tubes are designed to withstand high pressures and temperatures, ensuring efficient refrigerant flow and cooling performance. The line set comes pre-charged with nitrogen to prevent contamination and moisture ingress. It is also fully insulated with polyethylene foam to minimize heat loss and improve energy efficiency. The overall length of 30' makes it ideal for both residential and commercial applications. Whether you are installing a new air conditioning or refrigeration system or replacing an existing one, the Lennox L1 3/8x3/4x3/8x30' Line Set is an excellent choice. Its durable construction, high-quality materials, and precise dimensions make it a reliable and efficient option. Shop our HVAC supply store today for the best prices and fast shipping on your line set and other HVAC supplies. We are committed to providing you with the highest quality products and exceptional customer service.