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Does it require a specific orientation
Built to withstand the thermal cycling associated with heavy-duty industrial applications
making it suitable for both steam and hot water systems
Always verify the part number against your unit's data plate or illustrated parts list to ensure a correct fit
Lochinvar & A.O. Smith 100170488 Lower Sensor 30067439-890 Does it require a specificThe 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
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