ClimateMaster 33B0015N02 TXV

The ClimateMaster 33B0015N02 TXV is a high-precision thermostatic expansion valve engineered specifically for 5-ton water-source heat pump applications. This OEM ClimateMaster replacement part features a 30-inch capillary tube and a balanced port design (BBIZE / BP15) to maintain accurate superheat across varying head pressures. Designed for systems utilizing R-410A refrigerant, it functions by modulating the flow of liquid refrigerant into the evaporator coil based on cooling load requirements, preventing liquid slugging and ensuring the compressor operates within safe parameters. Field technicians prioritize this expansion valve for 5-ton heat pumps because it matches the exact factory curves of ClimateMaster equipment, eliminating the calibration issues often found with universal aftermarket alternatives. Physical dimensions are approximately 4.3" x 3.9" x 3", with a robust brass body construction suitable for demanding commercial and residential environments. Use this genuine HVAC expansion valve to restore original system efficiency and prevent premature evaporator icing in ClimateMaster units.

• Precise Refrigerant Metering: Features a 30-inch capillary and balanced port design for stable superheat control under fluctuating loads.
• Optimized for R-410A: Factory-tuned to work with high-pressure R-410A systems, ensuring efficient heat exchange.
• 5-Ton Capacity Match: Specifically rated for 5-ton (60,000 BTU) systems, providing the correct orifice size for ClimateMaster evaporators.
• Reduced Compressor Stress: Effectively prevents liquid floodback, extending the operational life of the scroll or reciprocating compressor.

• What are the symptoms of a failing 33B0015N02 TXV? Common signs include frost on the evaporator coil, high suction pressure combined with high superheat, or the system getting "stuck" in a vacuum if the valve is restricted.
• Is this valve compatible with other refrigerants? No, this part is specifically designed for R-410A applications. Using it with R-22 or other refrigerants will lead to improper metering and potential system damage.
• Does this include the sensing bulb? Yes, this is a complete thermostatic expansion valve assembly including the sensing bulb and the 30-inch capillary line.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.