Climatemaster C33B0002N03 Thermal Expansion Valve

Product Description

The CLIMATEMASTER C33B0002N03 is a thermal expansion valve (TXV) designed to regulate refrigerant flow into the evaporator coil in refrigeration and air conditioning systems. The TXV modulates refrigerant volume in response to changes in suction-line temperature and system pressure, keeping superheat within a stable operating range and maintaining consistent heat transfer across the evaporator. Licensed HVAC technicians install this component as part of refrigerant-circuit service or system commissioning. Proper TXV operation is essential for system efficiency and compressor protection.

The C33B0002N03 is suited for use in both residential and commercial HVAC applications where precise refrigerant metering is required. It is typically installed in split systems, packaged units, and geothermal or water-source heat pump configurations where ClimateMaster equipment is present. Tight superheat control provided by a TXV reduces the risk of liquid refrigerant reaching the compressor and supports stable system operation across varying load conditions.

Key Features

• Meters refrigerant flow to the evaporator based on real-time temperature and pressure conditions
• Maintains consistent superheat to protect the compressor from liquid slugging
• Supports stable heat transfer efficiency across fluctuating load conditions
• Designed as an OEM-style replacement component for ClimateMaster systems
• Applicable to both residential and commercial refrigerant circuit applications

Compatibility

Designed as an OEM-style replacement thermal expansion valve for ClimateMaster HVAC and heat pump systems requiring refrigerant flow control at the evaporator.

Installation Notes

TXV replacement and service must be performed by an EPA Section 608 certified HVAC technician. Recover all system refrigerant and depressurize the circuit before removing the existing valve. Verify the bulb is properly secured to the suction line and insulated after installation, as bulb placement directly affects superheat sensing and valve response. Recharge the system to manufacturer specifications and verify superheat and subcooling readings before returning the unit to service.

Technical Specifications

• Component Type: Thermal Expansion Valve (TXV)
• Function: Refrigerant flow metering to evaporator
• Application: Residential and commercial HVAC systems

Standard Information

• Brand: CLIMATEMASTER
• Manufacturer Part Number: C33B0002N03