Trane SEN1447 Sensor 328140-751 the Lennox 94W39 is the

the Lennox 94W39 is the direct performance equivalent and replacement for part number 103635-03

Industrial Durability: Features a heavy-duty cast iron construction capable of sustaining 250 psi working steam pressure

a specialized OEM assembly precision-engineered for Weil McLain CG and CGa boilers (specifically size E38A2)

6 amp draw

maintaining consistent amperage under load

Trane SEN1447 Sensor 328140-751 the Lennox 94W39 is theThe Trane SEN1447 is a mission critical 10k Ohm thermistor designed for precise HVAC zone control. Built to interface seamlessly with Trane and American Standard systems, this wired sensor enables local temperature adjustments via a rugged integrated dial. As a standard 10kOhm zinc sulfide sensor, it provides high accuracy resistance values to your building automation or unit controller, ensuring stable setpoint communication without the signal drift