Water Heater Chamber Sensor Failure

This video provides helpful tips when the water heater stops working due to chamber sensor failure. This is a Rheem Classic Plus Professional water heater and the parts are given below :
SP20867C - COMBINATION GAS CONTROL REPLACEMENT KIT
SP21019 - CHAMBER SENSOR REPLACEMENT KIT ULN SELF-POWERED 16, 18, 20 IN

You can find more details on the parts here https://parts.rheem.com/en/home