ClimateMaster 33B0002N05 Valve 321702-401 Reliable Sealing: High-quality NBR (Buna-N)

Reliable Sealing: High-quality NBR (Buna-N) seals provide excellent compatibility with water and air

and frame size match the OEM specifications

Extended Service Life: High-tensile springs and precision-machined plungers reduce mechanical wear and prevent solenoid coil burnout

and the correct main burner orifices to compensate for the higher BTU density of liquid propane

protecting hot water supply tanks from catastrophic over-pressurization and thermal runaway at the critical 210°F (99°C) limit

ClimateMaster 33B0002N05 Valve 321702-401 Reliable Sealing: High-quality NBR (Buna-N)The ClimateMaster 33B0002N05 Thermal Expansion Valve is a critical Genuine OEM replacement part designed for precise refrigerant metering and superheat control in high efficiency water source heat pumps and geothermal systems. As a technician, you know that maintaining the proper evaporator pressure is essential for protecting the compressor and ensuring the thermal exchange cycle remains stable under varying load conditions. This TXV features a high