Description
Ensure optimal refrigerant flow and peak system efficiency with the Carrier 33B0043N05 thermostatic expansion valve. As a factory-authorized component, this TXV is engineered to meet original equipment standards and preserve system performance. With pressure-balanced design and proper bleed characteristics, the valve ensures reliable operation in 3-ton systems using 3/8″ ODF connections. When airflow, charge or evaporator performance issues are present, installing the 33B0043N05 can help restore proper superheat, prevent icing or flooding of the evaporator coil, and keep your HVAC unit running smoothly.
Key Features
- OEM-quality fit: Designed by Carrier / ClimateMaster to exact specifications for drop-in replacement.
- Correct capacity rating: Specified for 3-ton systems with 3/8″ ODF connections.
- 15 % bleed design: Ensures proper refrigerant bleed for the intended application and system design.
- 30″ capillary tube length: Provides flexibility in installation and allows proper temperature sensing and operation.
- Durable construction: Built for long-term reliability in HVAC environments.
- Compatibility: Works in systems listed for this part number and for direct replacement of older part numbers (e.g., 33B0013N02) when specified.











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