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it provides the high-voltage arc necessary to bridge the gap between electrodes
by offering continuous flame sensing and pressure switch monitoring to prevent unsafe firing conditions
Built on a modular platform
it is specifically engineered for the internal mounting brackets of the 342 and 345 series units
Lochinvar & A.O. Smith 100170487 Upper Sensor 340155-7026 it provides the high-voltage arcThe Lochinvar & A. O. Smith 100170487 Upper Sensor (formerly TST1187) is a critical thermistor based component engineered for high precision temperature monitoring in residential and commercial water heaters. As a direct immersion NTC temperature sensor, it provides real time resistance feedback to the control board, ensuring the appliance maintains optimal setpoints while preventing dangerous high limit conditions. This OEM water heater sensor is
