Description
The Carrier 33B0045N04 is a genuine OEM expansion valve engineered for precise refrigerant metering in Carrier HVAC systems. Expansion valves play a critical role in the refrigeration cycle by regulating the flow of refrigerant into the evaporator coil, maintaining optimal system efficiency and protecting compressor integrity.
Key Features
- Genuine Carrier OEM replacement expansion valve
- Designed for precise refrigerant flow regulation
- Helps maintain optimal system efficiency and capacity
- Protects downstream components including the compressor
- Direct OEM replacement for compatible Carrier equipment
- Built to Carrier’s engineering and quality standards
Application
This expansion valve is intended as a direct OEM replacement for compatible Carrier HVAC systems. It meters refrigerant flow into the evaporator to ensure proper superheat control, supporting consistent cooling performance and long-term system reliability. Always verify compatibility with your specific Carrier unit model before installation.
Why Choose OEM Parts?
- Ensures proper fit and function within the original system design
- Maintains manufacturer warranty compliance where applicable
- Reduces the risk of premature failure from incompatible aftermarket components
- Supports peak system efficiency and refrigerant management







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