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The YELLOW JACKET 27648 is a 48-inch automotive manifold hose designed for use with R-134A refrigerant systems. Identified by its red color for high-side or low-side circuit identification depending on manifold setup, it features a 1/2 inch ACME female fitting on one end and a 14 mm male fitting on the other. This hose is built for mobile A/C service work and is used during refrigerant recovery, evacuation, and recharge procedures on automotive climate control systems. Licensed HVAC technicians and mobile A/C specialists are the primary installers and service professionals who use this hose in the field.
This hose is suited for automotive air conditioning service on vehicles that use R-134A refrigerant. The 1/2 inch ACME female by 14 mm male fitting configuration matches the connection standards found on R-134A manifold gauge sets and automotive service ports. It is a common hose type used in both shop and mobile service environments where technicians need a reliable, color-coded connection between the manifold gauge set and the vehicle service port.
Designed for use with R-134A automotive air conditioning systems. The 1/2 inch ACME female by 14 mm male fitting configuration is standard for R-134A manifold gauge sets used in automotive A/C service applications.
This hose is installed by licensed HVAC technicians or certified mobile A/C service professionals. Before connecting or disconnecting manifold hoses, ensure the system is properly isolated and that all service valves are in the correct position to prevent refrigerant release. Inspect the hose fittings for debris or damage before each use, and hand-tighten connections firmly to prevent leaks. Always follow EPA Section 608 or Section 609 regulations when handling refrigerants in automotive A/C systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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