Carrier KH43LG073 Filter Drier

The Carrier KH43LG073 is a Factory Authorized Part designed specifically for the liquid line of residential and commercial HVAC units. This liquid line filter drier features a high-capacity 8 cubic inch desiccant volume, providing essential protection against moisture, acid, and solid contaminants that can lead to compressor failure or thermal expansion valve (TXV) blockage. With 3/8" sweat (ODF) copper connections, this Uni-Flo filter drier ensures a leak-free, high-flow installation during routine maintenance or after a system breach. As an OEM Carrier HVAC replacement part, the KH43LG073 maintains the pressure drop specifications required for peak system performance. Technicians rely on this specific 3/8 inch refrigerant drier for its precise filtration rating and compatibility with modern refrigerants, ensuring the internal chemistry of the cooling circuit remains stable and free of debris that could compromise capillary tubes or metering devices.

Key Benefits:

• OEM Compatibility: This Carrier Factory Authorized Part ensures exact fitment and maintains the original engineering specifications of the system.
• Contaminant Removal: Effectively captures moisture and acid to prevent internal corrosion and sludge formation within the refrigerant loop.
• Optimized Flow: The Uni-Flo design provides consistent refrigerant flow with minimal pressure drop across the 8 cubic inch desiccant bed.
• Durable Construction: Features 3/8" sweat connection ports for a reliable, brazed fit that handles the high-pressure demands of modern HFC systems.
• Safety Certified: This component is CSA Listed and meets rigorous standards for HVACR application safety.

Common Questions:

Is the Carrier KH43LG073 compatible with R-410A systems?
Yes, this liquid line filter drier is designed to handle the high-pressure requirements and POE oils associated with R-410A, as well as several other common refrigerants.

Can this filter drier be installed in either direction?
The KH43LG073 is a Uni-Flo drier intended for unidirectional flow in the liquid line. Always check the flow arrow on the canister before brazing to ensure proper installation.

What is the connection size for this model?
This unit features 3/8" sweat connections, requiring standard brazing techniques for a secure attachment to the refrigerant line set.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.