R22/R134A Hoses 1.8m for manifold Model:336-RYB-134a Checking System Pressures. The hoses connect the high-pressure (red hose) and low-pressure (blue hose) sides. Of an A/C system to the manifold gauges to diagnose issues. Charging Refrigerant. The yellow service hose is used to connect the system to a refrigerant source (e.g., a can or recovery tank). To add or “charge” the correct amount of refrigerant. Evacuating the System (Pulling a Vacuum). The hoses are used in conjunction with a vacuum pump. To remove air and moisture from the A/C system before adding new refrigerant. Refrigerant Recovery: They can be used (often with specialized equipment). To safely recover refrigerant from a system, which is a required environmental practice for certain refrigerants like R22 Refrigeration hoses Manifold gauge pipes 1.8 meter Manifold accessories SKU: 336-RYB-134a Categories: Manifold and Accessories, Tools and Multi Meters
