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The INTERNATIONAL COMFORT PRODUCTS P503-C167S is a suction line filter drier designed for use in refrigeration and air conditioning systems. This component removes moisture, acid, and contaminants from the refrigerant circuit on the suction side of the system, protecting the compressor from damaging debris and moisture-related failures. With a 7/8-inch connection size and a 16-cubic-inch desiccant volume, it is sized for residential and light commercial HVAC applications. Licensed HVAC technicians install this part during compressor replacements, system cleanups after burnouts, or routine refrigerant circuit servicing.
This suction line filter drier is suited for residential and light commercial split systems and packaged units where suction-side filtration is required. It is commonly installed during system changeouts and burnout recovery procedures to ensure the refrigerant circuit is clean and dry before recharging. The 7/8-inch sweat connection accommodates standard copper suction line sizing found in many common cooling system configurations. Always verify connection size and desiccant capacity requirements against the system being serviced before installation.
Designed as an OEM-style replacement suction line filter drier for residential and light commercial refrigerant systems requiring a 7/8-inch suction line connection and 16 cubic inch desiccant capacity.
Installation should be performed by a licensed HVAC technician holding an EPA Section 608 certification. Recover all refrigerant from the system before cutting or uncapping any refrigerant lines. The drier should be installed with the flow arrow pointing in the correct direction of refrigerant flow toward the compressor. Replace the filter drier any time the system is opened to atmosphere to prevent moisture contamination of the refrigerant circuit.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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