Description
The Armstrong Furnace R101814-02 is a genuine OEM liquid line filter drier engineered specifically for R410A refrigerant systems. Designed as a direct replacement component, this filter drier plays a critical role in maintaining the efficiency, reliability, and longevity of your HVAC system by removing harmful moisture, acid, and particulate contaminants from the refrigerant circuit.
Why Liquid Line Filter Driers Matter
Moisture and contaminants in a refrigerant system are among the leading causes of compressor failure, acid formation, and system inefficiency. The R101814-02 filter drier acts as the last line of defense on the liquid line, capturing debris and moisture before they can reach sensitive metering devices and the compressor — protecting your investment and extending system life.
Key Features
- Genuine Armstrong Furnace OEM replacement part (SKU: R101814-02)
- Compatible with R410A refrigerant systems
- Liquid line installation for maximum system protection
- Removes moisture, acid, and particulate contaminants from the refrigerant circuit
- Helps prevent compressor damage and system inefficiency
- Designed for reliable, long-service-life performance
Applications
- Armstrong Furnace residential and light commercial HVAC systems
- R410A split system air conditioners and heat pumps
- Replacement during system servicing, refrigerant recharge, or compressor replacement
Installation Notes
Liquid line filter driers should be replaced any time the refrigerant system is opened for service, after a compressor burnout, or when moisture contamination is suspected. Always follow the equipment manufacturer’s guidelines and applicable safety codes during installation.







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