Carrier 335933-701 Harness Assembly 318973-401 the sensor is likely compromised

the sensor is likely compromised and requires replacement

preventing premature fouling in the valve body

this unit is a direct cross-reference to the SV9640M4124 model

Field-verified as identical to the Lennox 72L3401

This valve is the standard for technicians looking to restore factory-spec efficiency in older Trane and American Standard R-22 refrigeration systems

Carrier 335933-701 Harness Assembly 318973-401 the sensor is likely compromisedThe Carrier 335933 701 Harness Assembly is a critical OEM replacement part designed for high performance fan coil units and air handlers. As a Main Harness Assembly, it provides the primary electrical backbone for Carrier HVAC units, ensuring seamless communication between the control board, fan motors, and auxiliary sensors. This factory authorized part is engineered to meet strict CSA listed standards, featuring 25 inch lead lengths and precision