Liquid Line
The liquid line is a tube or pipe in an HVAC system that transports high-pressure, high-temperature liquid refrigerant from the condenser to the expansion device (like a TXV or capillary tube) and eventually to the evaporator coil. This line plays a critical role in the refrigeration cycle by delivering the refrigerant in its liquid state so it can expand and absorb heat from the indoor air at the evaporator.
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