Lochinvar & A.O. Smith 100170488 Lower Sensor 30067439-890 Built to withstand the high

Built to withstand the high inrush currents typical of AC compressor startup

While some surface-mount thermostats share physical dimensions

or the control board flashing a specific sensor-related fault code

As the direct replacement for the legacy 066163

Lochinvar & A.O. Smith 100170488 Lower Sensor 30067439-890 Built to withstand the highThe Lochinvar & A. O. Smith 100170488 Lower Sensor is a critical thermistor based component engineered for precise thermal monitoring in high efficiency water heating systems. As an exact replacement for the TST1188 sensor, this part ensures the control board receives accurate resistance feedback from the lower portion of the tank. For technicians troubleshooting Lochinvar water heater error codes or A. O. Smith temperature sensor faults, installing