Water heater leaking upon arrival. Customer stated he woke up this morning and the water heater was leaking. Informed customer we could not repair the water heater but we could replace it. Gave customer estimate, customer approved estimate. Installed new 50 gal gas Rheem water heater with a new expansion tank and shutoff. Turned water back on to check for leaks. Found no leaks. Fired up water heater. Water heater is fired up and working properly. No leaks upon departure