Description
The Danfoss 023Z1438 is a 7/8″ Bi-Flow Filter Drier (model DCB307S) engineered for reliable moisture and contaminant removal in refrigeration and air conditioning systems where refrigerant flows in both directions — making it an ideal solution for heat pump and reversible-cycle applications.
Product Overview
Bi-flow filter driers are specifically designed to handle refrigerant flow in either direction without compromising filtration or drying performance. The Danfoss DCB307S delivers consistent protection for the refrigeration circuit, extending compressor life and maintaining system efficiency by keeping the refrigerant clean and dry.
Key Features
- Bi-directional (bi-flow) design accommodates refrigerant flow in both directions
- 7/8″ connection size for compatibility with a wide range of systems
- Effectively removes moisture, acid, and solid contaminants from the refrigerant circuit
- Ideal for heat pump and reversible-cycle refrigeration systems
- Durable construction built to Danfoss quality standards
- Helps protect compressors and system components from contamination-related damage
- Drop-in replacement for compatible Danfoss DCB307S applications
Applications
- Heat pump systems (heating and cooling modes)
- Reversible-cycle air conditioning systems
- Commercial and residential refrigeration circuits
Why Choose Danfoss?
Danfoss is a globally recognized leader in HVAC and refrigeration components, trusted by contractors and engineers for precision-engineered products that deliver long-term reliability. The DCB307S bi-flow filter drier is no exception — built to keep your system running clean, dry, and efficient season after season.







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