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color codes signify specific temperature ratings
accommodating standard commercial power supplies
For systems requiring the valve to close on temperature rise
the 110851 is calibrated with a natural gas pilot orifice
Lochinvar & A.O. Smith 100109908 Flame Sensor 320819-301 color codes signify specific temperatureThe Lochinvar & A. O. Smith 100109908 Flame Sensor is a critical OEM replacement part designed for precise flame rectification in high efficiency water heaters and boilers. As a seasoned tech, you know that a failing flame sensor rod is the primary culprit behind intermittent data signals and "no flame detected" lockouts. This genuine factory part (formerly identified as part number 9004520215) ensures the flame sensing circuit maintains the microamp
