Lochinvar & A.O. Smith 100110849 Upper Probe 322838-754 Designed with a size #37

Designed with a size #37 wire and a 1/4-inch active winding length

Featuring SPDT (Single Pole Double Throw) contacts rated at 8 Amps resistive

In cooling mode

OEM Compatibility: Precision-engineered for a seamless fit in specific M1 and M5 furnace series and Nordyne furnace parts configurations

Designed for industrial and residential heating oil burner ignition systems

Lochinvar & A.O. Smith 100110849 Upper Probe 322838-754 Designed with a size #37The 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.