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6" Stem Depth: Provides sufficient immersion depth to reach the center of the flow stream for increased measurement accuracy
a failing bypass valve
As a factory-authorized OEM HVAC control board
replacing all internal moving parts provided in the kit prevents mechanical binding and ensures the magnetic circuit operates within specified tolerances
the sensing probe should be inspected annually for scale buildup
Lochinvar & A.O. Smith 100110849 Upper Probe 318518-761 6" Stem Depth: Provides sufficientThe Lochinvar & A. O. Smith 100110849 Upper Probe is a critical OEM replacement temperature sensor designed for high recovery commercial gas water heaters. As a direct replacement for part number 9006047205, this NTC thermistor probe provides high accuracy thermal monitoring to the integrated control board, ensuring precise cycling and preventing overheating. This specific upper tank probe is engineered for heavy duty applications, including the A. O.
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