Designed with a 3

Simplified Troubleshooting: Corrects common thermopile and pilot assembly signal failures caused by faulty internal circuitry

This unit includes a number 8 orifice and a 60-inch capillary tube for versatile bulb placement

Designed with a synchronous drive

and dowel pin

Lochinvar & A.O. Smith 100110849 Upper Probe 319847-401 Designed with a 3The 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.