Trane MOD2686 Stepper Module 320735-701 this sensor includes the attached

this sensor includes the attached mounting flange

ideally in a position that allows for oil return to the compressor and easy access for future core replacements

This inducer circuit board serves as the primary controller for the pre-purge and post-purge sequences

Replacing a failed end-bell module with a genuine Trane MOD2070 ensures consistent airflow control and maintains the original SEER ratings of the equipment without the need for field reprogramming

Using this specialized metering device ensures the evaporator remains flooded for maximum heat transfer without risking compressor damage

Trane MOD2686 Stepper Module 320735-701 this sensor includes the attachedThe Trane MOD2686 Stepper Module (identical to MOD02686) is a critical OEM replacement part designed for precision control in high performance HVAC equipment. This stepper module with motor serves as the driving force for electronic expansion valves (EEV) and precision dampers, commonly found in Trane chillers like the RTAC, Series R, and Sintesis models. By converting digital signals from the main control board into discrete mechanical steps, the