Lennox 12W24 Bi-Flow Filter Drier 3/8" ODF 5 cu in R22/R410A

The Lennox 12W24 is a bi-directional filter drier designed for use in heat pump and refrigeration systems. This compact unit effectively removes moisture, acids, and contaminants from refrigerant lines to protect HVAC system components and ensure optimal performance.

Key Features:

• 5 cubic inch capacity for systems up to 4.3 tons
• 3/8 inch ODF (Outside Diameter Flare) solder connections for secure installation
• Compatible with R22 and R410A refrigerants
• Bi-flow design allows refrigerant flow in either direction, ideal for heat pump applications
• Compact 2.677 inch diameter and 4.48 inch length fits tight installations
• Manufactured by San Hua International (OEM part number 100215-05)

Filter driers are essential components in HVAC systems, capturing harmful contaminants and moisture that can cause compressor failure, reduce efficiency, and damage internal components. The bi-flow configuration makes this drier particularly well-suited for reversing heat pump systems where refrigerant direction changes between heating and cooling modes.