Description
Carrier 33B0015N03 Thermostatic Expansion Valve Overview
The Carrier 33B0015N03 is an OEM-grade thermostatic expansion valve (TXV) engineered to deliver precise refrigerant metering and optimal system efficiency in Carrier cooling equipment. Featuring a 1/2″ ODF (Outside Diameter Flare) connection and a 30″ capillary tube, this valve is designed for accurate bulb placement and reliable superheat control across a wide range of operating conditions.
Key Features
- OEM Carrier replacement TXV for verified fit and performance
- 1/2″ ODF connection for straightforward installation on compatible Carrier systems
- 30″ capillary tube for flexible bulb positioning and accurate sensing
- Thermostatic expansion valve design maintains consistent superheat for maximum system efficiency
- Precision-engineered internal components for long service life and reliable refrigerant flow control
- Helps protect the compressor by preventing liquid refrigerant slugging
Application
The 33B0015N03 is a direct OEM replacement TXV intended for use in Carrier air conditioning and refrigeration systems. Proper TXV operation is critical to maintaining system efficiency, protecting the compressor, and ensuring consistent cooling capacity. Always verify compatibility with the specific Carrier equipment model before installation.
Installation Notes
- Secure the sensing bulb firmly to the suction line for accurate superheat readings
- Use proper ODF fittings and follow all applicable refrigerant handling regulations during installation
- Refer to the Carrier equipment service manual for system-specific superheat settings and torque specifications







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