Description
The Carrier 33B0045N03 is a genuine OEM Thermal Expansion Valve (TXV) engineered to deliver precise refrigerant metering and optimal system performance in compatible Carrier HVAC equipment. As a direct factory replacement part, this TXV ensures your system operates at peak efficiency by accurately regulating the flow of refrigerant into the evaporator coil in response to changing load conditions.
Why Choose a Genuine Carrier TXV?
Using an OEM-specified thermal expansion valve preserves the original design intent of your Carrier system. A properly functioning TXV prevents refrigerant flooding and starving of the evaporator, protecting the compressor and maintaining consistent cooling capacity. The Carrier 33B0045N03 is built to the same tolerances as the original component, ensuring a reliable, drop-in fit.
Key Features
- Genuine Carrier OEM replacement thermal expansion valve
- Precisely meters refrigerant flow to the evaporator coil
- Helps maintain optimal superheat levels for system protection
- Direct drop-in replacement for compatible Carrier equipment
- Supports efficient, reliable system operation and compressor longevity
- Manufactured to strict OEM quality and performance standards
Application
Designed as a direct replacement for Carrier systems originally equipped with part number 33B0045N03. Always verify compatibility with your specific equipment model before installation. Consult your Carrier equipment documentation or a qualified HVAC technician to confirm proper fitment.
Installation Notes
- Installation should be performed by a certified HVAC/R technician
- Recover all refrigerant before servicing the refrigerant circuit
- Verify superheat settings after installation per manufacturer specifications
- Refer to the original equipment service manual for torque and connection requirements







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