GO
Frigidaire
Range/Stove/Oven
Circuit Board & Timer
Mechanical Clock and Timer
Clear All
What is a model number, and where do I find it?

AO Smith Gas Water Heater 24" Thermocouple Replacement 9000056045

This video provides step-by-step instructions for replacing the 24" thermocouple on AO Smith gas water heaters. The most common reasons for replacing this part is if the burner will not light or stay lit.

All of the information in this thermostat replacement video is applicable to the following brands: AO Smith
Find my part

How your water heater works:

Electric | Electric | Electric

How It Works: Electric Water Heater
For additional repair advice and help finding your model number visit the repair help section of our website: Water Heater repair help