Ao Smith 100110850 Lower Probe Replacement Part

Product Description

The AO SMITH 100110850 is a lower probe replacement part designed for use in water heating applications. The lower probe serves as a sensing element within the water heater, monitoring temperature or water level conditions to support safe and consistent heater operation. This type of component is typically installed by licensed plumbers or water heater service technicians as part of a routine repair or unit restoration. Its direct replacement design allows for straightforward swapping of a failed or degraded probe during a service call.

This lower probe is intended for heating applications where a replacement sensing probe is required. It is suited for service and maintenance scenarios in residential or light commercial water heating systems. Technicians replacing a faulty probe can restore proper system monitoring and control function without full unit replacement.

Key Features

• Direct replacement probe for water heating system restoration
• Designed for lower-position probe installation within the heater assembly
• Supports accurate sensing for temperature or water level monitoring
• OEM-specified part for reliable fit and function

Compatibility

Designed as an OEM-style replacement lower probe for AO SMITH water heating systems requiring a lower probe service part.

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater service technician. Before beginning work, shut off power to the unit at the breaker and close the cold water supply valve to relieve system pressure. Follow all applicable local plumbing codes and the manufacturer service documentation during probe removal and reinstallation. Do not restore power or water supply until the probe is fully seated and all connections are secured.

Technical Specifications

• Application: Replacement Part, Heating

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110850