Lochinvar & A.O. Smith 100170488 Lower Sensor 30067439-890 This composite seat is chemically

This composite seat is chemically resistant and designed to prevent seat leakage and "hunting" in modulating control applications

making it an essential component for livestock facilities

making it suitable for both steam and hot water systems

Built to withstand the thermal cycling associated with heavy-duty industrial applications

This OEM Copeland replacement part ensures consistent compressor start-up and protects expensive windings from prolonged high-amperage draw during the start cycle

Lochinvar & A.O. Smith 100170488 Lower Sensor 30067439-890 This composite seat is chemicallyThe 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