Description
The Copeland ALF033S (SKU 057140) is a high-performance liquid line filter drier engineered to protect refrigeration and air conditioning systems from moisture, acid, and particulate contamination. With a compact 3 cubic inch capacity and precision 40-micron filtration, this filter drier captures harmful debris before it can damage compressors, expansion valves, and other critical system components.
Key Features
- Model: ALF033S — designed for reliable liquid line protection
- Connection type: 3/8″ sweat (ODS) for easy copper line installation
- Filter capacity: 3 cubic inches for efficient moisture and acid removal
- Filtration rating: 40 microns to trap particulates and debris
- Maximum working pressure: 680 PSI for compatibility with a wide range of refrigerants and system pressures
- Compact form factor ideal for residential and light commercial HVAC/R applications
Application & Benefits
Installing a quality liquid line filter drier is one of the most cost-effective ways to extend system life and maintain peak efficiency. The Copeland ALF033S removes moisture that can cause freeze-ups and acid formation, filters out metallic particles and compressor debris, and helps prevent premature wear on expansion devices and compressors. Its 3/8″ sweat connections make installation straightforward for HVAC technicians working with standard copper tubing.
Specifications
- SKU: 057140
- Model: ALF033S
- Brand: Copeland
- Connection Size: 3/8″ Sweat (ODS)
- Cubic Inch Capacity: 3 Cu In
- Filtration: 40 Micron
- Maximum Pressure: 680 PSI
- Line Type: Liquid Line







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