Lennox 60L30 TXV 320735-701 The ClimateMaster S17S0001N05 Control Board

The ClimateMaster S17S0001N05 Control Board is a specialized CXM2 Digital Heat Pump Controller engineered for high-performance management of geothermal and water-source heat pump units

and connector housing meet original factory engineering specifications

this protector is the standard for maintaining compressor safety and operational efficiency in high-pressure environments

What is the primary function of the 663862R on the high side

allowing you to define whether the outputs should default to ON or OFF to protect the equipment until the sensor is replaced

Lennox 60L30 TXV 320735-701 The ClimateMaster S17S0001N05 Control BoardMaintaining precise refrigerant metering in legacy systems requires high quality components like the Lennox 60L30 TXV. This OEM R22 thermal expansion valve is a critical replacement part designed to regulate liquid refrigerant flow into the evaporator coil. By accurately modulating based on superheat, it protects the compressor from liquid slugging while maximizing heat exchange efficiency in residential and light commercial heat pumps and air