3/8" ODF Bi-Flow Heat Pump Filter Drier

The SUPCO HP165S Bi-Directional Heat Pump Filter Drier provides superior system protection and moisture removal for heat pump and refrigeration applications.

Engineered for efficiency and reliability, this bi-directional filter drier is designed specifically for heat pump systems where refrigerant flow reverses between heating and cooling modes. The HP165S protects critical components by filtering out contaminants and absorbing moisture, ensuring optimal system performance and extended equipment life.

• Model number HP165S identifies the SUPCO Bi-Directional Heat Pump Filter Drier with 1-inch connection size.
• Designed for bi-directional flow in heat pump systems to maintain refrigerant cleanliness and moisture control in both operating modes.
• Compatible with a wide range of refrigerants including R-22, R-410A, R-404A, R-134a, and other CFC, HCFC, and HFC blends.

Technical Data & Performance

• Product Type: Bi-Directional Heat Pump Filter Drier.
• Connection Size: 1 inch (sweat or flare type, depending on model variant).
• Flow Type: Bi-directional – designed for use in reversible-cycle heat pumps.
• Core Type: Solid molded desiccant core for high moisture and acid absorption capacity.
• Filtration Rating: Removes particulate contaminants down to 20 microns for improved system protection.
• Working Pressure: Rated for up to 680 psi (4.68 MPa) maximum working pressure.
• Maximum Operating Temperature: up to 200°F (93°C).
• Material: Steel shell construction with corrosion-resistant coating for long service life.
• Flow Direction: Bi-directional – indicated by double-headed arrow on the shell for heat pump applications.
• Function: Removes moisture, acid, and solid contaminants to prevent corrosion, freezing, and expansion valve blockage.
• Application: Suitable for heat pumps, split systems, refrigeration units, and air conditioning systems.
• Compatibility: Works with mineral, alkylbenzene, and POE oils.
• Installation: Install in the liquid line between the reversing valve and the expansion device for optimal system protection.
• Compliance: Meets UL and ARI standards for filter driers and HVAC system components.
• Maintenance: Replace during major service or when system contamination or moisture levels are detected.
• Warranty: Covered by SUPCO’s Limited Manufacturer’s Warranty ensuring quality and performance reliability.