Galvanised iron

Stainless steel

Aluminium

Brass

Suction and charging tube

Discharge and suction tube

Capillary and suction tube

Discharge and capillary tube

Air

Water

Liquid

Refrigerant

HC - Hydro carbon

HFC - Hydro fluoro carbon

CFC - Chloro fluoro carbon

HCFC - Hydro chloro fluoro carbon

Expansion valve

Compressor

Condenser

Evaporator