Description
Copeland BFK309S Bi-Directional Liquid Line Filter Drier
The Copeland BFK309S (SKU 063451) is a high-performance bi-directional liquid line filter drier engineered for reliable refrigerant system protection in both cooling and heat pump applications. Its bi-directional design allows refrigerant flow in either direction, making it an ideal solution for heat pump systems where flow reversal occurs during defrost cycles.
Key Features
- Bi-directional flow design — suitable for heat pump and standard A/C systems
- 1-1/8″ sweat (ODF) connections for easy field installation
- 30 cubic inch internal volume for high desiccant capacity
- 40 micron filtration rating to remove moisture, acid, and particulate contamination
- 680 PSI maximum working pressure for compatibility with a wide range of refrigerants
- Protects compressors, expansion devices, and other refrigeration components from contaminants
- Durable construction built to Copeland’s exacting quality standards
Specifications
- Model: BFK309S
- SKU: 063451
- Connection Type: Sweat (ODF)
- Connection Size: 1-1/8″
- Internal Volume: 30 cubic inches
- Filtration Rating: 40 micron
- Maximum Working Pressure: 680 PSI
- Flow Direction: Bi-directional
- Application: Liquid line
Applications
- Heat pump systems requiring bi-directional refrigerant flow
- Residential and commercial air conditioning systems
- Refrigeration systems requiring liquid line moisture and particulate protection
- New installations and system changeouts or retrofits







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