Parker
Parker BF-083S Liquid Line Filter Dryer 3.5 ton 650 psi
Liquid-line filter dryer rated 3.5 ton for CFC, HCFC and HFC refrigerants with bi-flow solder connections and 650 psi working pressure
- Bi-flow design enables heat-pump operation
- 5-ton capacity handles R-22 and R-410A systems
- 650 psi rating suits high-pressure lines
- 5 in overall length fits standard installations
- Steel construction resists corrosion and vibration
Parker BF-083S Liquid Line Filter Dryer
The Parker BF-083S is a bi-flow liquid line filter dryer built for heat-pump systems. It handles all CFC, HCFC and HFC refrigerants with a 3.5-ton capacity for both R-22 and R-410A. The steel body uses solder connections suited to professional HVAC installation. It fits standard 3/8-inch line sets in residential and light-commercial equipment.
Thermals noise and power draw
As a passive refrigerant component the filter dryer generates no noise and draws no electrical power. The steel shell is rated to 650 psi for safe operation under normal system pressures. It simply removes moisture and contaminants while refrigerant flows through during heating or cooling cycles. No fan motor or active cooling is involved in its function.
Upgrade and replacement context
This unit replaces a worn or saturated filter dryer in an existing 3.5-ton heat-pump circuit. The bi-flow design suits systems that reverse refrigerant direction between heating and cooling modes. The jump is worth it when pressure drop rises or acid tests show contamination. It does not suit larger-capacity systems or applications requiring a different connection type.
Highlights
- Bi-flow design enables heat-pump operation
- 5-ton capacity handles R-22 and R-410A systems
- 650 psi rating suits high-pressure lines
- 5 in overall length fits standard installations
- Steel construction resists corrosion and vibration
Specifications
| Brand | PARKER |
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Questions about this item
How is the Parker BF-083S installed in the liquid line and what step do installers often miss?
Solder the 3/8 in connections with the arrow pointing toward the evaporator. The step often missed is purging with nitrogen while brazing to prevent oxide scale from forming inside the tubes.
What maintenance or replacement will the BF-083S need after it has been in service?
The filter-dryer core cannot be cleaned. Replace the entire unit whenever the system is opened for major repair, after a compressor burnout, or if a pressure drop across the shell signals saturation.
What is the first limit that appears when the BF-083S runs under sustained high load?
The 650 psi maximum working pressure is the first hard limit. Exceeding it risks shell rupture, so the system relief must be set below that value.
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