Neptronic AC2-B Auxiliary Switch 320734-701 utilizing this OEM Trane MOT16143

utilizing this OEM Trane MOT16143 ensures compatible mounting and electrical termination

Terminals are clearly marked: "C" for Common

maintaining the integrity of the gas train is paramount for safety and combustion efficiency

maintaining precise control over ICV function modules is critical during system commissioning and teardowns

Neptronic AC2-B Auxiliary Switch 320734-701 utilizing this OEM Trane MOT16143The Neptronic AC2 B is a high performance auxiliary switch designed for seamless integration with Neptronic BT, BTM, and BTX series actuators. Built to handle double pole, double throw (DPDT) configurations, this unit provides precise remote status feedback and control for HVAC dampers and valve actuators. As the engineered replacement for the BT180 and compatible with BT160 footprints, it secures reliable end switch signaling within building