ClimateMaster 33B0045N04 Expansion Valve 326070-701 Thermal Overload Protection: Internal safeguards

Thermal Overload Protection: Internal safeguards prevent windings from overheating during high-ambient operation

reducing combustion-related maintenance calls

though horizontal upright installation is standard for optimal vent limiting performance

Dual Fuel Capability: Ships with a Natural Gas orifice installed and a Propane (LP) orifice included for immediate field adaptation

Operates on a standard 24V AC control voltage signal from the thermostat or furnace control board

ClimateMaster 33B0045N04 Expansion Valve 326070-701 Thermal Overload Protection: Internal safeguardsThe ClimateMaster 33B0045N04 Expansion Valve is a critical metering device designed for precise refrigerant control within high efficiency geothermal and water source heat pump cycles. As a genuine OEM ClimateMaster replacement part, this thermal expansion valve (TXV) ensures the evaporator coil receives the exact mass flow of refrigerant required to maintain optimal superheat across varying load conditions. For a field technician, the 33B0045N04 is