ensure the disc has direct exposure to the airflow

Common indicators include visible water leakage around the inducer area

Matches proprietary Carrier technical specifications for reliable signal transmission

and PA series manufactured after 1986

Carrier KH680003 Filter 318423-701 ensure the disc has directThe Carrier KH680003 Liquid Line Filter Drier is a Factory Authorized Part engineered for high capacity moisture and acid removal in commercial and residential refrigeration systems. Featuring a 7 8" ODF solder connection, this solid core filter drier is essential for protecting the compressor from damaging contaminants like metal chips, sludge, and wax. Designed as an exact OEM replacement part, the KH680003 ensures the integrity of the refrigerant