Description
The Copeland EK164S (SKU 047616) is a high-performance liquid line filter drier engineered to safeguard refrigeration and air conditioning systems from moisture, acid, and particulate contamination. With a robust 680 PSI maximum working pressure rating, this filter drier is built to handle demanding system conditions while delivering reliable, long-term protection for compressors and other critical components.
Key Features
- Model: EK164S
- Connection Type: 1/2″ Sweat (ODF)
- Drier Volume: 16 cubic inches
- Filtration Rating: 20 Micron — removes fine particulates, metal shavings, and debris
- Maximum Working Pressure: 680 PSI — suitable for high-pressure refrigerant systems
- Application: Liquid line installation
Why Use a Liquid Line Filter Drier?
Liquid line filter driers are a critical component in any refrigerant circuit. They serve a dual purpose: removing moisture that can cause freeze-ups and acid formation, and filtering out solid contaminants that can damage metering devices and compressor valves. The Copeland EK164S combines desiccant drying with 20-micron mechanical filtration to deliver clean, dry refrigerant to the expansion device and evaporator.
Ideal Applications
- Residential and light commercial air conditioning systems
- Refrigeration systems requiring high-pressure-rated components
- New system installations and post-compressor-burnout cleanups
- Systems requiring moisture and acid removal from the refrigerant circuit
Installation Notes
- Install in the liquid line with the flow arrow pointing toward the metering device
- 1/2″ sweat connections allow for clean, leak-free brazed installation
- Replace after any compressor burnout or system contamination event
- Always follow system manufacturer guidelines for filter drier sizing and replacement intervals







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