A: Hi Mehdi and thank you for your question. Yes it will.
A: Hi Bass and thank you for your question. To remove the anode rod requires a 1 1/16" socket.
A: Hi Bruce and thank you for your question. The item Fits Standard 1-1/2 in. and 1-7/8 in. Hex Head Elements.
A: Yes, my previous electric water heater was an AO Smith. This tool worked on it.
A: Thank you for asking, Lucky. Water Heater Manufacturers often use similar parts. We would suggest contacting AO Smith to make sure this will work on their elements. If you have any further questions, please contact us at 1-866-279-4566. Thank you and have a great day.