ClimateMaster 33B0045N04 Expansion Valve 326070-701 Verify that the motor is

Verify that the motor is receiving 230V line voltage and the proper 24V or PWM signal from the board

reducing combustion-related maintenance calls

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

Rugged Diaphragm Design: Engineered for durability in high-cycle applications

ClimateMaster 33B0045N04 Expansion Valve 326070-701 Verify that the motor isThe 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