Diversitech BF164 Bi-flow Filter Drier 1/2 Inch Odf

Product Description

The DIVERSITECH BF164 is a bi-flow filter drier designed for heat pump and reversible-cycle refrigeration systems. It removes moisture, solid contaminants, acid, and debris from the refrigerant circuit. The unit uses a 16 cubic inch desiccant core cushioned in fiber gaskets to protect core integrity during operation. Internal check valves allow refrigerant flow in either direction without requiring external valves, making the BF164 suited for systems where refrigerant reverses flow during heating and cooling cycles. The powder-painted exterior provides corrosion resistance in demanding service environments. Licensed HVAC technicians install this component on the liquid line of heat pump systems.

The BF164 is intended for use on the liquid line of residential and light commercial heat pump systems and reversible-cycle HVAC installations. Its 1/2 inch ODF connection fits standard liquid line configurations common in split-system heat pumps. The unit is rated for up to 650 psi and is compatible with R-410A, R-407C, R-404A, R-507, R-134A, and R-22 refrigerants, covering a wide range of current and legacy system types.

Key Features

• Internal check valves allow bi-directional refrigerant flow without external valve hardware
• 16 cubic inch desiccant core removes moisture, acid, and solid contaminants
• Fiber gasket cushioning protects the desiccant core from damage during installation and operation
• Rated to 650 psi for compatibility with high-pressure refrigerants including R-410A
• Powder-painted exterior resists corrosion in outdoor and mechanical room installations
• Compatible with R-410A, R-407C, R-404A, R-507, R-134A, and R-22

Compatibility

Compatible with heat pump and reversible-cycle systems using R-410A, R-407C, R-404A, R-507, R-134A, or R-22 refrigerant with a 1/2 inch ODF liquid line connection and a system operating pressure within the 650 psi rating.

Installation Notes

Installation should be performed by a licensed HVAC technician following applicable mechanical codes and EPA Section 608 refrigerant handling requirements. Recover and reclaim system refrigerant and verify the system is depressurized before removing the existing filter drier. Confirm the connection type, refrigerant type, and system operating pressure match the BF164 specifications before installation. Replace the filter drier any time the system is opened to atmosphere to prevent moisture contamination of the refrigerant circuit.

Technical Specifications

• Connection Size: 1/2 inch ODF
• Connection Type: ODF (Outside Diameter Flare)
• Desiccant Core Volume: 16 cubic inches
• Maximum Pressure Rating: 650 psi
• Compatible Refrigerants: R-410A, R-407C, R-404A, R-507, R-134A, R-22
• Flow Direction: Bi-directional (internal check valves)
• Exterior Finish: Powder-painted, corrosion-resistant
• Application: Liquid line, heat pump and reversible-cycle systems

Standard Information

• Brand: DIVERSITECH
• Manufacturer Part Number: BF164