Description
Copeland BFK085S Bi-Directional Liquid Line Filter Drier
The Copeland BFK085S (SKU 043730) is a high-performance bi-directional liquid line filter drier engineered to protect refrigerant circuits from moisture, acid, and particulate contamination. Designed for demanding HVAC/R applications, this filter drier handles flow in either direction, making it the ideal choice for heat pump systems and reversing-cycle equipment where refrigerant flow alternates between heating and cooling modes.
Key Features
- Bi-directional design accommodates refrigerant flow in both directions — ideal for heat pump applications
- 5/8″ sweat (solder) connections for secure, leak-free installation
- 8 cubic inch internal volume for effective moisture and contaminant removal
- 40 micron filtration rating captures fine particulates to protect compressors, expansion devices, and other system components
- 680 PSI maximum working pressure for compatibility with high-pressure refrigerants and modern systems
- Desiccant core absorbs moisture and neutralizes acid to extend system life
- Rugged construction suitable for residential and light commercial refrigeration and air conditioning systems
Specifications
- Brand: Copeland
- SKU: 043730
- Model: BFK085S
- Connection Type: Sweat (Solder)
- Connection Size: 5/8″
- Internal Volume: 8 cubic inches
- Filtration Rating: 40 Micron
- Maximum Working Pressure: 680 PSI
- Flow Direction: Bi-Directional
- Application: Liquid Line
Applications
- Heat pump systems (residential and commercial)
- Reversing-cycle air conditioning equipment
- Refrigeration systems requiring bi-directional liquid line filtration
- New installations and system changeouts or retrofits







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