Arrived onsite to flood stop having tripped and very small amount of water in the pan. Checked line pressure and found it to be around 80PSI. Provided and installed Expansion tank. Checked for leaks around unit and on piping and none were present. All accessible insulation was dry. Encouraged customer to keep an eye on water heater and if anything else happens, feel free to reach out to us. No charge for visit as it is under warranty.