Description
The Carrier 33B0043N09 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant metering in Carrier residential and light commercial cooling systems. Designed to maintain optimal system efficiency, this TXV regulates refrigerant flow into the evaporator coil based on superheat conditions, ensuring consistent performance across varying load conditions.
Key Specifications
- ODF Connection Size: 1/2″ ODF
- System Capacity: 3 Ton
- Blade Count: 15 Blades
- Capillary Tube Length: 30″
- Valve Type: Thermostatic Expansion Valve (TXV)
- Brand: Carrier
- Part Number: 33B0043N09
Product Features
- OEM Carrier replacement part for reliable, drop-in compatibility
- Precision refrigerant flow control for optimized evaporator performance
- 30″ capillary tube provides flexible bulb placement during installation
- 1/2″ ODF connection for secure, leak-free brazing to refrigerant lines
- 15-blade distributor design promotes even refrigerant distribution across the evaporator coil
- Engineered to maintain proper superheat and maximize system efficiency
- Suitable for 3-ton residential and light commercial air conditioning applications
Application
The Carrier 33B0043N09 TXV is designed for use in Carrier split-system air conditioners and heat pumps where a factory-matched thermostatic expansion valve is required. Proper TXV operation is critical to system efficiency, compressor protection, and overall reliability. Always refer to the equipment manufacturer’s specifications and service literature before installation.
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