Mars Mini Split Accessories

Overview

The MARS 52345 is a mini-split flex line set designed for use in ductless HVAC system installations and service work. This line set measures 36 inches in length and features a 1/4 inch nominal size, making it a common choice for connecting refrigerant lines in residential and light commercial mini-split applications. The braided stainless steel exterior provides flexibility and durability, while the copper connector ends ensure reliable, leak-resistant connections at both termination points. Mini-split flex line sets like the MARS 52345 are used by HVAC technicians when routing refrigerant lines between an indoor air handler and an outdoor condenser unit. The flexible design makes it easier to navigate tight spaces, corners, and wall penetrations where rigid copper tubing would be difficult or time-consuming to install. Stainless steel braid is a preferred material for flex line applications because it resists corrosion, handles vibration, and maintains structural integrity over time in both indoor and outdoor environments. The copper connector ends are compatible with standard refrigerant line fittings and are easy to braze or flare depending on the application. This combination of stainless braid and copper connectors is widely recognized in the HVAC trade as a reliable construction method for flex line sets used with R-410A and other refrigerants commonly found in modern mini-split systems. HVAC professionals working on new installations, retrofits, or service calls will…