Dayco BH barrier refrigerant hoses feature nitrile/nylon barrier/neoprene tube construction with a black EPDM textile reinforced cover that's resistant to ozone, heat, and abrasion. Recommended for use with coupling styles BL and SB, these hoses have a temperature range of -22 degrees F to +203 degrees F.
A/C Refrigerant Lines
DISCHARGE LINE
The Discharge Line carries High Pressure Gas between the Compressor and Condenser
SUCTION LINE
The Suction Line carries Low Pressure Gas from the Evaporator to the Compressor (sometimes through an Accumulator).
LIQUID LINE
The Liquid Line carries High Pressure Liquid from the Condenser to the Evaporator (often through an Expansion Device).
Some assemblies combine two or all three lines together.
A/C Refrigerant Lines
A/C System Repair Toolbox