Carrier HT71UT002 Current Sensor 320788-703 The Nordyne 903902 Heater Element

The Nordyne 903902 Heater Element is a heavy-duty OEM replacement part engineered for high-performance electric furnaces and air handlers

you typically require two of these cells or the larger 20-inch variant

and AHR24B3XH21

Repeated thermal cycling and carbon deposits on the sensor often lead to resistance issues

After powering down the unit

Carrier HT71UT002 Current Sensor 320788-703 The Nordyne 903902 Heater ElementThe Carrier HT71UT002 Current Sensor is a high precision diagnostic component engineered for rigorous monitoring within commercial and industrial HVACR environments. Utilizing Hall Effect technology, this sensor provides accurate alternating current (AC) measurement by detecting the magnetic field produced by the conductor, converting it into a proportional voltage signal. As a Genuine OEM replacement part, it ensures seamless integration with